CVE-2021-36399: Moodle Cross-site Scripting vulnerability

March 7, 2023 (updated March 7, 2025)

In Moodle, ID numbers displayed in the quiz override screens required additional sanitizing to prevent a stored XSS risk.

References

github.com/advisories/GHSA-79jp-m64f-pgrc
github.com/moodle/moodle
moodle.org/mod/forum/discuss.php?d=424805
nvd.nist.gov/vuln/detail/CVE-2021-36399

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