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CVE-2026-26022

Gogs: Stored XSS via data URI in issue comments

Published: Mar 5, 2026Updated: Mar 6, 2026 Sources: CVE List NVD GHSA BDUCWE-79
NVD MITRE
8.7CVSSHIGH
EPSS Score
0.3%
Top 78.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

gogsgogs
On-prem
DevTools & CI / source-control
GogsСообщество свободного программного обеспечения
On-prem
Operating Systems / linux-distro
gogs.io/gogsGoOSS Libraries
gogsoss-projectDevTools & CIaka gogs/gogs, gogs
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
gopackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/gogs/gogs/commit/441c64d7bd8893b2f4e48660a8be3a7472e14291
github.com
https://github.com/gogs/gogs/pull/8174
github.com
https://github.com/gogs/gogs/releases/tag/v0.14.2
github.com
and 6 more references View all →

Timeline

Published
Mar 5, 2026
Last Updated
Mar 6, 2026

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