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CVE-2026-26022
Gogs: Stored XSS via data URI in issue comments
High8.7EPSS 0.35%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
| NVDNVD · Analyzed | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.35% · top 71% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.
Weakness
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogogs.io/gogsGHSA-xrcr-gmf5-2r8j (opens in a new tab)
References (4)
- https://github.com/gogs/gogs/security/advisories/GHSA-xrcr-gmf5-2r8j (opens in a new tab)x_refsource_CONFIRM
- https://github.com/gogs/gogs/pull/8174 (opens in a new tab)x_refsource_MISC
- https://github.com/gogs/gogs/commit/441c64d7bd8893b2f4e48660a8be3a7472e14291 (opens in a new tab)x_refsource_MISC
- https://github.com/gogs/gogs/releases/tag/v0.14.2 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xrcr-gmf5-2r8j (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-26022)Record last updated .