Vulnerability · Published Feb 24, 2025 · Assigned by fedora

CVE-2025-26530Reflected XSS via question bank filter

High 8.3

In plain English

A high-severity cross-site scripting in moodle from Moodle Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.4%top 69.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The question bank filter required additional sanitizing to prevent a reflected XSS risk.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle4.5.2GHSA-4w32-c9g7-27qx
Packagistmoodle/moodle4.4.6GHSA-4w32-c9g7-27qx
Packagistmoodle/moodle4.3.10GHSA-4w32-c9g7-27qx

Affected products (as reported)

VendorProductVersions
Moodle Project moodle 4.5.0 – before 4.5.24.4.0 – before 4.4.64.3.0 – before 4.3.10

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

References