Improper access control in Moodle - CVE-2025-26531
Published: February 18, 2025 / Updated: February 25, 2025
Vulnerability identifier: #VU104026
CSH Severity: Medium
CVSS v4 BT: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2025-26531
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the IDOR issue in badges. A remote user can disable badges they do not have permission to access.
Affected software
Moodle
How to mitigate CVE-2025-26531
Install updates from vendor's website.
Moodle - addressed in versions 4.1.16, 4.3.10, 4.4.6, 4.5.2