CVE-2025-3643
Moodle has reflected Cross-site Scripting risk in policy tool
5.4
MEDIUM
CVSS 3.1
EPSS 0.13%
Description
A flaw was found in Moodle. The return URL in the policy tool required additional sanitizing to prevent a reflected Cross-site scripting (XSS) risk.
How to fix CVE-2025-3643
To remediate CVE-2025-3643, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 4.1.18 or later
- —upgrade to 4.1.18 or later
Is CVE-2025-3643 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.1.18, >= 4.3.0, < 4.3.12, >= 4.4.0, < 4.4.8, >= 4.5.0, < 4.5.4
- from 0, < 4.1.18
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |