CVE-2025-62400
October 23, 2025
Moodle exposed the names of hidden groups to users who had permission to create calendar events but not to view hidden groups. This could reveal private or restricted group information.
Affected Packages
moodle/moodle (PHP):
Affected version(s) >=v5.0.0 <v5.0.3Fix Suggestion:
Update to version v5.0.3moodle/moodle (PHP):
Affected version(s) >=v1.0.0 <v4.1.21Fix Suggestion:
Update to version v4.1.21moodle/moodle (PHP):
Affected version(s) >=v4.4.0 <v4.4.11Fix Suggestion:
Update to version v4.4.11moodle/moodle (PHP):
Affected version(s) >=v4.5.0 <4.5.7Fix Suggestion:
Update to version 4.5.7Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
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:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
EPSS
Base Score:
0.04