Publish GHSA-vgjm-2cpf-4g7c

Author: advisory-database[bot]

advisories/github-reviewed/2026/03/GHSA-vgjm-2cpf-4g7c/GHSA-vgjm-2cpf-4g7c.json

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+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-vgjm-2cpf-4g7c",
+  "modified": "2026-03-05T20:16:20Z",
+  "published": "2026-03-05T20:16:20Z",
+  "aliases": [
+    "CVE-2026-26276"
+  ],
+  "summary": "Gogs: DOM-based XSS via milestone selection",
+  "details": "# Summary\n\nIt was confirmed in a test environment that an attacker can store an HTML/JavaScript payload in a repository’s **Milestone name**, and when another user selects that Milestone on the **New Issue** page (`/issues/new`), a **DOM-Based XSS** is triggered.\n\n# Impact\n\n* Theft of information accessible in the victim’s session.\n* Extraction of CSRF tokens and submission of state-changing requests with the victim’s privileges.\n* Repository operations performed with the victim’s privileges (Issue operations, settings changes, etc.).\n\n(The impact scope depends on the victim’s permission level.)\n\n# Remediation\n\nA fix is available at https://github.com/gogs/gogs/releases/tag/v0.14.2",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "gogs.io/gogs"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "last_affected": "0.13.3"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/gogs/gogs/pull/8178"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/gogs/gogs/commit/9001a68cdda7bd9c078ffd6d1c4622905ac11e5c"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/gogs/gogs"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/gogs/gogs/releases/tag/v0.14.2"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-79"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-03-05T20:16:20Z",
+    "nvd_published_at": null
+  }
+}