Description In Moodle, ID numbers exported in HTML data formats required additional sanitizing to prevent a local stored XSS risk. Remediation References CVE-2021-36401 Related Vulnerabilities Jenkins Improper Authorization Vulnerability (CVE-2021-21693) Atlassian Jira Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-20239) DOMPurify Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-26870) phpMyFAQ Other Vulnerability (CVE-2005-3049) WordPress Plugin Delete All Comments Easily Cross-Site Request Forgery (1.3) Severity Medium Classification CVE-2021-36401 CWE-707 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities