CVEvulnerability
CVE-2026-40472
9.9 CRITICAL
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-04-23
- Last modified
- 2026-06-17
- Assigner
- 74b3a70d-cca6-4d34-9789-e83b222ae3be
- CVSS 3.1 (74b3a70d-cca6-4d34-9789-e83b222ae3be)
- 9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
- Weaknesses
- CWE-79
Description
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.
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness