Bug 2404433 (CVE-2025-62400) - CVE-2025-62400 moodle: Hidden group names visible to event creators
Summary: CVE-2025-62400 moodle: Hidden group names visible to event creators
Keywords:
Status: NEW
Alias: CVE-2025-62400
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2404449 2404450
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-16 14:45 UTC by OSIDB Bzimport
Modified: 2025-10-16 15:18 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2025-10-16 14:45:45 UTC 
A missing capability check in the calendar event creation flow allows users with event creation rights to see names of hidden or separate groups. This may expose group names meant to remain private within a course.

Versions affected: 5.0 to 5.0.2, 4.5 to 4.5.6, 4.4 to 4.4.10, 4.1 to 4.1.20
and earlier unsupported versions
Versions fixed: 5.0.3, 4.5.7, 4.4.11 and 4.1.21
Note You need to log in before you can comment on or make changes to this bug.