CVE-2024-21501: Apostrophecms Sanitize-Html

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

Versions of the package sanitize-html before 2.12.1 are vulnerable to Information Exposure when used on the backend and with the style attribute allowed, allowing enumeration of files in the system (including project dependencies). An attacker could exploit this vulnerability to gather details about the file system structure and dependencies of the targeted server.

Affected products

• Apostrophecms Sanitize-Html: before 2.12.1 (fixed in 2.12.1)
• Fedoraproject Fedora: version 39 only; version 40 only

Published 2024-02-24. Last modified 2026-06-17.