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Stored Cross-site Scripting in showdoc

Moderate severity GitHub Reviewed Published Mar 16, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

composer showdoc/showdoc (Composer)

Affected versions

< 2.10.4

Patched versions

2.10.4

Description

ShowDoc is a tool for an IT team to share documents online. showdoc contains a stored cross-site scripting vulnerability in the File Library page when uploading a file in .ofd format in versions prior to 2.10.4. At this time, there is no known workaround. Users should update to version 2.10.4.

References

Published by the National Vulnerability Database Mar 15, 2022
Published to the GitHub Advisory Database Mar 16, 2022
Reviewed Mar 18, 2022
Last updated Jan 27, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Physical
Attack complexity
High
Privileges required
High
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(74th percentile)

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Learn more on MITRE.

CVE ID

CVE-2022-0967

GHSA ID

GHSA-3pg8-c473-w6rr

Source code

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