CVE-2025-67852
Published:February 03, 2026
Updated:May 16, 2026
A flaw was found in Moodle. An open redirect vulnerability in the OAuth login flow allows a remote attacker to redirect users to attacker-controlled pages after they have successfully authenticated. This occurs due to insufficient validation of redirect parameters, which could lead to phishing attacks or information disclosure.
Affected Packages
https://github.com/moodle/moodle.git (GITHUB):
Affected version(s) >=v4.5.0 <v4.5.8Fix Suggestion:
Update to version v4.5.8https://github.com/moodle/moodle.git (GITHUB):
Affected version(s) >=v5.0.0 <v5.0.4Fix Suggestion:
Update to version v5.0.4https://github.com/moodle/moodle.git (GITHUB):
Affected version(s) >=v4.4.0 <v4.4.12Fix Suggestion:
Update to version v4.4.12https://github.com/moodle/moodle.git (GITHUB):
Affected version(s) =v5.1.0 <v5.1.1Fix Suggestion:
Update to version v5.1.1https://github.com/moodle/moodle.git (GITHUB):
Affected version(s) >=v4.1.0 <v4.1.22Fix Suggestion:
Update to version v4.1.22moodle/moodle (PHP):
Affected version(s) >=v5.1.0-beta <v5.1.1Fix Suggestion:
Update to version v5.1.1moodle/moodle (PHP):
Affected version(s) >=v4.5.0 <v4.5.8Fix Suggestion:
Update to version v4.5.8moodle/moodle (PHP):
Affected version(s) >=v4.4.0-beta <v4.4.12Fix Suggestion:
Update to version v4.4.12moodle/moodle (PHP):
Affected version(s) >=v5.0.0 <v5.0.4Fix Suggestion:
Update to version v5.0.4moodle/moodle (PHP):
Affected version(s) >=v1.0.0 <v4.1.22Fix Suggestion:
Update to version v4.1.22moodle/moodle (PHP):
Affected version(s) >=v5.0.0-beta <v5.0.4Fix Suggestion:
Update to version v5.0.4moodle/moodle (PHP):
Affected version(s) =v5.1.0 <v5.1.1Fix Suggestion:
Update to version v5.1.1moodle/moodle (PHP):
Affected version(s) >=v4.5.0-beta <v4.5.8Fix Suggestion:
Update to version v4.5.8moodle/moodle (PHP):
Affected version(s) >=v4.4.0 <v4.4.12Fix Suggestion:
Update to version v4.4.12Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
URL Redirection to Untrusted Site ('Open Redirect')
EPSS
Base Score:
0.02