Moodle: Stored XSS in the web service token list via user ID number (CVE-2021-36398)

Moodle: Stored XSS in the web service token list via user ID number (CVE-2021-36398)

Severity

5

CVSS

(AV:N/AC:M/Au:S/C:P/I:P/A:N)

Published

03/06/2023

Created

03/17/2023

Added

03/17/2023

Modified

01/28/2025

Description

In moodle, ID numbers displayed in the web service token list required additional sanitizing to prevent a stored XSS risk.

Solution(s)

• moodle-upgrade-3_11_1

References

• https://attackerkb.com/topics/cve-2021-36398
• CVE - 2021-36398
• https://moodle.org/mod/forum/discuss.php?d=424804