CVE-2021-43558

MEDIUM

Moodle < 3.8.8, 3.9.0-3.9.10, 3.10.0-3.10.7, 3.11.0-3.11.3 - Reflected XSS via Filetype Admin Tool

Title source: llm
STIX 2.1

Description

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizing to prevent a reflected XSS risk.

References (2)

Core 2
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=2021515
Patch, Vendor Advisory x_refsource_misc
https://moodle.org/mod/forum/discuss.php?d=429097

Scores

CVSS v3 6.1
EPSS 0.0016
EPSS Percentile 36.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (4)
fedoraproject/extra_packages_for_enterprise_linux 7.0
fedoraproject/fedora 35
moodle/moodle < 3.8.8
moodle/moodle 3.11.0 - 3.11.4Packagist
Published Nov 22, 2021
Tracked Since Feb 18, 2026