moodle/moodle · Security
Moodle Cross-site Scripting (XSS) vulnerability
- GHSA ID
- GHSA-mhf6-pp52-8wqj
- CVE ID
- CVE-2025-67849
- Severity
- high
- Published
- Updated
- CVSS
- 7.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
- CVSS v3
- 7.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Description
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.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-67849 ↗
- https://access.redhat.com/security/cve/CVE-2025-67849 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2423835 ↗
- https://github.com/moodle/moodle/commit/a3063dcaa44dbe66e60a37cadb33bfadfe4feb03 ↗
- https://moodle.org/mod/forum/discuss.php?d=471299 ↗
- https://github.com/advisories/GHSA-mhf6-pp52-8wqj ↗