Vulnerability · Published Mar 11, 2022 · Assigned by redhat

CVE-2021-32478

Medium 6.1

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 1.1% (higher than 66% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.1%top 33.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei

Official description

The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle3.10.4GHSA-78fm-qhh8-8858
Packagistmoodle/moodle3.9.7GHSA-78fm-qhh8-8858
Packagistmoodle/moodle3.8.9GHSA-78fm-qhh8-8858

Affected products (as reported)

VendorProductVersions
n/a moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8

Weakness: CWE-79

References