medium4.6
CVE-2026-102581
A flaw was found in Moodle.
Impact
A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious content into a forum post, which then executes arbitrary script code in the browser of another user viewing the affected post.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Moodle | Moodle | before 4.5.13 from 5.0.0 before 5.0.9 from 5.1.0 before 5.1.6 from 5.2.0 before 5.2.2 |