Vulnerability · Published May 31, 2024 · Assigned by fedora

CVE-2024-33997moodle: stored XSS risk when editing another user's equation in equation editor

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 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.4%top 68.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Additional sanitizing was required when opening the equation editor to prevent a stored XSS risk when editing another user's equation.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle4.3.4GHSA-9qgq-93c7-9hm4
Packagistmoodle/moodle4.2.7GHSA-9qgq-93c7-9hm4
Packagistmoodle/moodle4.1.10GHSA-9qgq-93c7-9hm4

Affected products (as reported)

VendorProductVersions
Moodle 4.0 – through 4.3.34.2 – through 4.2.64.1 – through 4.1.9

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

References