CVE-2025-3641: Moodle: authenticated remote code execution risk in the moodle lms dropbox repository

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-25 · updated 2026-06-17
Weakness: CWE-94

Description

A flaw was found in Moodle. A remote code execution risk was identified in the Moodle LMS Dropbox repository. By default, this was only available to teachers and managers on sites with the Dropbox repository enabled.

Affected products

Moodle: before 4.1.18; from 4.3.0 before 4.3.12; from 4.4.0 before 4.4.8; from 4.5.0 before 4.5.4 — fixed in 4.1.18, 4.3.12, 4.4.8, 4.5.4

How to fix

Upgrade to a fixed version: Moodle 4.1.18, 4.3.12, 4.4.8, 4.5.4. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2025-3641
https://bugzilla.redhat.com/show_bug.cgi?id=2359735
https://moodle.org/mod/forum/discuss.php?d=467602

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