Vulnerability · Published Apr 25, 2025 · Assigned by fedora
CVE-2025-3643Moodle: reflected xss risk in policy tool
Medium 5.4
In plain English
A medium-severity cross-site scripting in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 72.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | moodle/moodle | 4.1.18 | GHSA-hxgg-4qww-85ph |
| Packagist | moodle/moodle | 4.3.12 | GHSA-hxgg-4qww-85ph |
| Packagist | moodle/moodle | 4.4.8 | GHSA-hxgg-4qww-85ph |
| Packagist | moodle/moodle | 4.5.4 | GHSA-hxgg-4qww-85ph |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| moodle | 4.5.0 – before 4.5.44.4.0 – before 4.4.84.3.0 – before 4.3.124.1.0 – before 4.1.18 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- https://access.redhat.com/security/cve/CVE-2025-3643 vdb-entry, x_refsource_REDHAT
- RHBZ#2359742 issue-tracking, x_refsource_REDHAT
- https://moodle.org/mod/forum/discuss.php?d=467604