CVE-2021-20186

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CVSS 3.1

5.4 medium

EPSS

<1%p53

Published

Jan 28, 2021 (Jan 28, 2021)

Modified

Jun 17, 2026

Description

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS.

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

NVD CVE.org GitHub PoCs EPSS (0.8%)

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