Vulnerability · Published Jan 26, 2026 · Assigned by redhat

CVE-2025-11687Gi-docgen: reflected dom xss in gi-docgen

Medium 6.1

In plain English

A medium-severity cross-site scripting in gi-docgen. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.4%top 68.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A flaw was found in the gi-docgen. This vulnerability allows arbitrary JavaScript execution in the context of the page — enabling DOM access, session cookie theft and other client-side attacks — via a crafted URL that supplies a malicious value to the q GET parameter (reflected DOM XSS).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12gi-docgenno fix listedDEBIAN-CVE-2025-11687
Debian:13gi-docgenno fix listedDEBIAN-CVE-2025-11687
Debian:14gi-docgen2025.5-1DEBIAN-CVE-2025-11687
PyPIgi-docgen2025.5GHSA-6p6h-rqr6-62mv
PyPIgi-docgen2025.5PYSEC-2026-1402
Ubuntu:22.04:LTSgi-docgenno fix listedUBUNTU-CVE-2025-11687
Ubuntu:24.04:LTSgi-docgenno fix listedUBUNTU-CVE-2025-11687
Ubuntu:25.10gi-docgenno fix listedUBUNTU-CVE-2025-11687
Ubuntu:26.04:LTSgi-docgenno fix listedUBUNTU-CVE-2025-11687
Ubuntu:26.10gi-docgenno fix listedUBUNTU-CVE-2025-11687

Affected products (as reported)

VendorProductVersions
gi-docgen 0 – before 2025.5

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References