Vulnerability · Published Jun 22, 2023 · Assigned by fedora

CVE-2023-35131Moodle: xss risk on groups page

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 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.7%top 47.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Content on the groups page required additional sanitizing to prevent an XSS risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8 and 3.11 to 3.11.14.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle4.2.1GHSA-fwfj-8p36-rc64
Packagistmoodle/moodle4.1.4GHSA-fwfj-8p36-rc64
Packagistmoodle/moodle4.0.9GHSA-fwfj-8p36-rc64
Packagistmoodle/moodle3.11.15GHSA-fwfj-8p36-rc64

Affected products (as reported)

VendorProductVersions
moodle 4.2.0 – before 4.2.14.1.0 – before 4.1.44.0.0 – before 4.0.93.11.0 – before 3.11.15

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

References