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CVE-2025-67850
Good to know:
Date: February 3, 2026
A flaw was found in moodle. This vulnerability, known as Cross-Site Scripting (XSS), occurs due to insufficient checks on user-provided data in the formula editor's arithmetic expression fields. A remote attacker could inject malicious code into these fields. When other users view these expressions, the malicious code would execute in their web browsers, potentially compromising their data or leading to unauthorized actions.
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 - v5.1.1;moodle/moodle - v4.4.12;moodle/moodle - v4.5.8;moodle/moodle - v5.0.4;moodle/moodle - v4.1.22;https://github.com/moodle/moodle.git - v5.1.1;https://github.com/moodle/moodle.git - v4.4.12;https://github.com/moodle/moodle.git - v4.1.22;https://github.com/moodle/moodle.git - v5.0.4;https://github.com/moodle/moodle.git - v4.5.8
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 |