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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | gi-docgen | no fix listed | DEBIAN-CVE-2025-11687 |
| Debian:13 | gi-docgen | no fix listed | DEBIAN-CVE-2025-11687 |
| Debian:14 | gi-docgen | 2025.5-1 | DEBIAN-CVE-2025-11687 |
| PyPI | gi-docgen | 2025.5 | GHSA-6p6h-rqr6-62mv |
| PyPI | gi-docgen | 2025.5 | PYSEC-2026-1402 |
| Ubuntu:22.04:LTS | gi-docgen | no fix listed | UBUNTU-CVE-2025-11687 |
| Ubuntu:24.04:LTS | gi-docgen | no fix listed | UBUNTU-CVE-2025-11687 |
| Ubuntu:25.10 | gi-docgen | no fix listed | UBUNTU-CVE-2025-11687 |
| Ubuntu:26.04:LTS | gi-docgen | no fix listed | UBUNTU-CVE-2025-11687 |
| Ubuntu:26.10 | gi-docgen | no fix listed | UBUNTU-CVE-2025-11687 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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
- https://access.redhat.com/security/cve/CVE-2025-11687 vdb-entry, x_refsource_REDHAT
- RHBZ#2403536 issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/gi-docgen/-/issues/228