GitHub Advisoryadvisory · Packagist
GHSA-mhf6-pp52-8wqj Moodle Cross-site Scripting (XSS) vulnerability
HIGH
Official page ↗
- Aliases
- CVE-2025-67849
- Ecosystem
- Packagist
- Packages
- moodle/moodle
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-79
- Reviewed
- 2026-02-03
Affected packages
• Packagist moodle/moodle: < 4.1.22 → fixed in 4.1.22
• Packagist moodle/moodle: >= 4.4.0-beta, < 4.4.12 → fixed in 4.4.12
• Packagist moodle/moodle: >= 4.5.0-beta, < 4.5.8 → fixed in 4.5.8
• Packagist moodle/moodle: >= 5.0.0-beta, < 5.0.4 → fixed in 5.0.4
• Packagist moodle/moodle: >= 5.1.0-beta, < 5.1.1 → fixed in 5.1.1
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.
Related
Alias · CVE (1)
- CVE-2025-67849 A flaw was found in Moodle. vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-67849 advisory
- https://github.com/moodle/moodle/commit/a3063dcaa44dbe66e60a37cadb33bfadfe4feb03 web
- https://access.redhat.com/security/cve/CVE-2025-67849 web
- https://bugzilla.redhat.com/show_bug.cgi?id=2423835 web
- https://github.com/moodle/moodle package
- https://moodle.org/mod/forum/discuss.php?d=471299 web