Vulnerability · Published Mar 6, 2023 · Assigned by fedora
CVE-2021-36399
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 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.5%top 55.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In Moodle, ID numbers displayed in the quiz override screens required additional sanitizing to prevent a stored XSS risk.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | moodle/moodle | 3.11.1 | GHSA-79jp-m64f-pgrc |
| Packagist | moodle/moodle | 3.10.5 | GHSA-79jp-m64f-pgrc |
| Packagist | moodle/moodle | 3.9.8 | GHSA-79jp-m64f-pgrc |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N