CVE-2022-40313: Fedoraproject Extra Packages For Enterprise Linux

High severity, CVSS 7.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Recursive rendering of Mustache template helpers containing user input could, in some cases, result in an XSS risk or a page failing to load.

Affected products

• Fedoraproject Extra Packages For Enterprise Linux: version 8.0 only
• Fedoraproject Fedora: version 35 only; version 36 only
• Moodle Moodle: from 3.9.0, before 3.9.17 (fixed in 3.9.17); from 3.11.0, before 3.11.10 (fixed in 3.11.10); from 4.0.0, before 4.0.4 (fixed in 4.0.4)

Published 2022-09-30. Last modified 2026-06-17.