Vulnerability details

CVE-2026-26022

gogs gogs

Gogs: Stored XSS via data URI in issue comments

CVSS 3.1
8.7High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.7High 3.1 CVEProject cvelistV5 (CNA) (GitHub_M) CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected products

VendorProductVersionsSource
gogs gogs < 0.14.2 CVEProject cvelistV5 (CNA)

References and advisories

4
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Details

Published
2026-03-05
Last updated
2026-03-10
State
Published
Assigner (CNA)
GitHub_M

Exploit prediction (EPSS)

0.35%
Probability of exploitation in 30 days
29.2%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

  • CWE-79
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')