CVE-2021-43558

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CVSS 3.1

6.1 medium

EPSS

<1%p56

Published

Nov 22, 2021 (Nov 22, 2021)

Modified

Jun 17, 2026

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.

Vendors: moodle fedoraproject
Products: moodle, extra packages for enterprise linux, fedora
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.8%)

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