Open redirect in Moodle - CVE-2025-67852
Published: March 26, 2026
Vulnerability identifier: #VU124629
CSH Severity: Medium
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2025-67852
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in OAuth login. A remote user can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Affected software
Moodle
How to mitigate CVE-2025-67852
Install updates from vendor's website.
Moodle - addressed in versions 4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1