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CVE-2025-67850

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CVE-2025-67850

Published: Feb 3, 2026

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

Description

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.

VendorProductVersions

Unknown

moodle

affected
4.1.0 - < 4.1.22
affected
4.4.0 - < 4.4.12
affected
4.5.0 - < 4.5.8
affected
5.0.0 - < 5.0.4
affected
5.1.0 - < 5.1.1

Weaknesses (CWE)

CWE-79

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

RHBZ#2423838
issue-tracking
x_refsource_REDHAT

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