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Vulnerability · Published Feb 3, 2026 · Assigned by fedora

CVE-2025-67855Mooodle: mooodle: information disclosure and script execution via reflected cross-site scripting

Medium 5.4

In plain English

A medium-severity cross-site scripting in moodle. 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 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 67.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A flaw was found in mooodle. A remote attacker could exploit a reflected Cross-Site Scripting (XSS) vulnerability in the policy tool return URL. This vulnerability arises from insufficient sanitization of URL parameters, allowing attackers to inject malicious scripts through specially crafted links. Successful exploitation could lead to information disclosure or arbitrary client-side script execution within the user's browser.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle4.1.22GHSA-vwhw-vp9v-q9c9
Packagistmoodle/moodle4.4.12GHSA-vwhw-vp9v-q9c9
Packagistmoodle/moodle4.5.8GHSA-vwhw-vp9v-q9c9
Packagistmoodle/moodle5.0.4GHSA-vwhw-vp9v-q9c9
Packagistmoodle/moodle5.1.1GHSA-vwhw-vp9v-q9c9

Affected products (as reported)

VendorProductVersions
moodle 4.1.0 – before 4.1.224.4.0 – before 4.4.124.5.0 – before 4.5.85.0.0 – before 5.0.45.1.0 – before 5.1.1

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

References