CVE-2023-5550: Fedoraproject Extra Packages For Enterprise Linux

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the Moodle webroot could utilise a local file include to achieve remote code execution.

Affected products

• Fedoraproject Extra Packages For Enterprise Linux: version 7.0 only
• Fedoraproject Fedora: version 38 only
• Moodle Moodle: before 3.9.24 (fixed in 3.9.24); from 3.11.0, before 3.11.17 (fixed in 3.11.17); from 4.0.0, before 4.0.11 (fixed in 4.0.11); from 4.1.0, before 4.1.6 (fixed in 4.1.6); from 4.2.0, before 4.2.3 (fixed in 4.2.3)

Published 2023-11-09. Last modified 2026-06-17.