XSS in Gogs
CVE-2026-26022
Gogs is an open source self-hosted Git service. Prior to version 0.14.2, a stored cross-site scripting (XSS) vulnerability exists in the comment and issue description functionality. The application's HTML sanitizer explicitly allows data: URI schemes, enabling authenticated users to inject arbitrary JavaScript execution via malicious links. This issue has been patched in version 0.14.2.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Gogs — versions < 0.14.2
Weakness classification (CWE)
References
- github.com/gogs/gogs/security/advisories/GHSA-xrcr-gmf5-2r8j (Exploit, Vendor Advisory)
- github.com/gogs/gogs/pull/8174 (Issue Tracking)
- github.com/gogs/gogs/commit/441c64d7bd8893b2f4e48660a8be3a7472e14291 (Patch)
- github.com/gogs/gogs/releases/tag/v0.14.2 (Release Notes)
Frequently asked questions
- What is CVE-2026-26022?
- CVE-2026-26022 is a high-severity vulnerability in Gogs, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-03-05.
- How severe is CVE-2026-26022?
- High severity. CVSS v3 base score is 8.7 out of 10.