GHSA-mhf6-pp52-8wqj
Moodle Cross-site Scripting (XSS) vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | moodle/moodle | < 4.1.22 | 4.1.22 |
| Packagist | moodle/moodle | >= 4.4.0-beta, < 4.4.12 | 4.4.12 |
| Packagist | moodle/moodle | >= 4.5.0-beta, < 4.5.8 | 4.5.8 |
| Packagist | moodle/moodle | >= 5.0.0-beta, < 5.0.4 | 5.0.4 |
| Packagist | moodle/moodle | >= 5.1.0-beta, < 5.1.1 | 5.1.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
A flaw was found in Moodle. This Cross-site Scripting (XSS) vulnerability, caused by improper sanitization of AI prompt responses, allows attackers to inject malicious HTML or script into web pages. When other users view these compromised pages, their sessions could be stolen, or the user interface could be manipulated.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2025-67849
- https://github.com/moodle/moodle/commit/a3063dcaa44dbe66e60a37cadb33bfadfe4feb03
- https://access.redhat.com/security/cve/CVE-2025-67849
- https://bugzilla.redhat.com/show_bug.cgi?id=2423835
- https://github.com/moodle/moodle
- https://moodle.org/mod/forum/discuss.php?d=471299