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CVE-2025-67849
Good to know:
Date: February 3, 2026
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.
Severity Score
Related Resources (7)
Severity Score
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Top Fix
Upgrade Version
Upgrade to version moodle/moodle - v4.5.8;moodle/moodle - v5.0.4;moodle/moodle - v5.1.1;https://github.com/moodle/moodle.git - v4.5.8;https://github.com/moodle/moodle.git - v5.1.1;https://github.com/moodle/moodle.git - v5.0.4
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | NONE |