It was found in Moodle before version 4.0.0-beta that some search inputs were vulnerable to reflected Cross-site Scripting (XSS) due to insufficient escaping of search queries.

Affected Packages

Packagist moodle/moodle

Affected versions: 3.10 (fixed in 4.0.0-beta)

Related CVEs

CVE-2021-20183

Key Information

GHSA ID

GHSA-xhfx-rm8q-c3xv

Published

May 24, 2022 5:40 PM

Last Modified

September 12, 2023 1:17 PM

CVSS Score

5.0 /10

Primary Ecosystem

Packagist

Primary Package

moodle/moodle

GitHub Reviewed

✓ Yes

Dataset

Last updated: June 15, 2025 6:24 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.