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advisory-database[bot]advisory-database[bot]
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Publish Advisories
GHSA-498j-wxww-j897 GHSA-9x8x-w6g5-hx4w GHSA-h564-6gc2-fcc6 GHSA-mp85-7mrq-r866 GHSA-rj35-4m94-77jh GHSA-rwjg-c3h2-f57p GHSA-498j-wxww-j897 GHSA-6g54-r3q8-8jvq GHSA-9x8x-w6g5-hx4w GHSA-c9wv-mcc6-fp6m GHSA-h564-6gc2-fcc6 GHSA-2r78-2mm9-hw6h GHSA-5q8c-r7p8-3p9v GHSA-h67h-6hv5-vfg2 GHSA-285f-828q-q7g5 GHSA-4m29-g52g-c6qc GHSA-7v27-q387-jpxv GHSA-9fqr-94hm-qxr9 GHSA-h722-7q5c-h273 GHSA-mrxw-g8fq-xg2c GHSA-rxrg-39vh-ch96 GHSA-xgpm-xf5g-45m5
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‎advisories/github-reviewed/2022/05/GHSA-498j-wxww-j897/GHSA-498j-wxww-j897.json‎

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{
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"schema_version": "1.4.0",
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"id": "GHSA-498j-wxww-j897",
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"modified": "2025-12-05T15:11:38Z",
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"published": "2022-05-24T17:21:03Z",
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"aliases": [
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"CVE-2017-18879"
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],
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"summary": "Mattermost Server is vulnerable to XSS through author_link field in Slack attachments",
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"details": "An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
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}
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],
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"affected": [
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "4.1.2"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "4.2.0"
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},
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{
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"fixed": "4.2.1"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "4.3.0-rc1"
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},
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{
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"fixed": "4.3.0"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"type": "ADVISORY",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18879"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/mattermost/mattermost"
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},
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{
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"type": "WEB",
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"url": "https://mattermost.com/security-updates"
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}
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],
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"database_specific": {
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"cwe_ids": [
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"CWE-79"
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],
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"severity": "MODERATE",
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"github_reviewed": true,
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"github_reviewed_at": "2025-12-05T15:11:38Z",
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"nvd_published_at": "2020-06-19T19:15:00Z"
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}
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}

‎advisories/github-reviewed/2022/05/GHSA-9x8x-w6g5-hx4w/GHSA-9x8x-w6g5-hx4w.json‎

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{
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"schema_version": "1.4.0",
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"id": "GHSA-9x8x-w6g5-hx4w",
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"modified": "2025-12-05T15:10:38Z",
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"published": "2022-05-24T17:21:03Z",
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"aliases": [
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"CVE-2017-18877"
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],
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"summary": "Mattermost Server is vulnerable to XSS attacks against an OAuth 2.0 allow/deny page",
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"details": "An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS attacks could occur against an OAuth 2.0 allow/deny page.",
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"severity": [
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{
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"type": "CVSS_V4",
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"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
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}
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],
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"affected": [
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "4.1.2"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "4.2.0"
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},
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{
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"fixed": "4.2.1"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "4.3.0-rc1"
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},
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{
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"fixed": "4.3.0"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"type": "ADVISORY",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18877"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/mattermost/mattermost"
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},
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{
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"type": "WEB",
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"url": "https://mattermost.com/security-updates"
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}
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],
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"database_specific": {
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"cwe_ids": [
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"CWE-79"
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],
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"severity": "MODERATE",
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"github_reviewed": true,
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"github_reviewed_at": "2025-12-05T15:10:38Z",
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"nvd_published_at": "2020-06-19T17:15:00Z"
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}
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}

‎advisories/github-reviewed/2022/05/GHSA-h564-6gc2-fcc6/GHSA-h564-6gc2-fcc6.json‎

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{
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"schema_version": "1.4.0",
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"id": "GHSA-h564-6gc2-fcc6",
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"modified": "2025-12-05T15:11:21Z",
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"published": "2022-05-24T17:21:03Z",
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"aliases": [
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"CVE-2017-18878"
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],
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"summary": "Mattermost Server allows users with a session ID to revoke another users' session",
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"details": "An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
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}
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],
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"affected": [
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "4.1.2-0.20171004201910-6be8113eb60c"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "4.2.0-rc1"
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},
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{
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"fixed": "4.2.1-0.20171004192657-8fbbd688ea24"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "4.3.0-rc1"
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},
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{
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"fixed": "4.3.0"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"type": "ADVISORY",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18878"
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},
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{
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"type": "WEB",
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"url": "https://github.com/mattermost/mattermost/commit/6be8113eb60cf5ddd2dc1c3f4db05cae0c183086"
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},
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{
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"type": "WEB",
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"url": "https://github.com/mattermost/mattermost/commit/8fbbd688ea2466dd0d70e9c07e9703d78f8a19a5"
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},
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{
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"type": "WEB",
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"url": "https://github.com/mattermost/mattermost/commit/affd35071ea155069979fd359726296de8aa6aaf"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/mattermost/mattermost"
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},
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{
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"type": "WEB",
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"url": "https://mattermost.com/security-updates"
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}
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],
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"database_specific": {
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"cwe_ids": [
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"CWE-284",
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"CWE-639",
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"CWE-732"
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],
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"severity": "MODERATE",
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"github_reviewed": true,
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"github_reviewed_at": "2025-12-05T15:11:20Z",
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"nvd_published_at": "2020-06-19T19:15:00Z"
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}
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}

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