CVE-2026-26276 PUBLISHED

Gogs: DOM-based XSS via milestone selection

Assigner: GitHub_M
Reserved: 12.02.2026 Published: 05.03.2026 Updated: 07.03.2026

Gogs is an open source self-hosted Git service. Prior to version 0.14.2, 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. This issue has been patched in version 0.14.2.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS Score: 7.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	gogs
Product	gogs
Versions	Version < 0.14.2 is affected

References

https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c
https://github.com/gogs/gogs/pull/8178
https://github.com/gogs/gogs/releases/tag/v0.14.2

Problem Types

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