CRITICALCVE-2026-40472Published Modified CNA redhat-cnalr
CVE-2026-40472: Hackage package metadata stored XSS vulnerability
In hackage-server, user-controlled metadata from .cabal files are rendered into HTML href attributes without proper sanitization, enabling stored Cross-Site Scripting (XSS) attacks.
Metrics
- CVSS v3.1
- 9.9
- Severity
- CRITICAL
- Fixed in
- *
- Affected Products
- 1
Fix available
*
Affected packages
- unknown< * (from 0.1)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:LReferences