Vulnerability Database

314,343

Total vulnerabilities in the database

CVE-2021-20186

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.

  • Published: Jan 28, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-20186
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.4
  • AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:N/AC:H/Au:S/C:P/I:N/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
Composer icon moodle / moodle 3.8.0 3.8.7
Composer icon moodle / moodle 3.9.0 3.9.4
Composer icon moodle / moodle 3.10.0 3.10.1
Composer icon moodle / moodle - 3.5.16