Description In Moodle, insufficient capability checks made it possible to remove other users' calendar URL subscriptions. Remediation References CVE-2021-36400 Related Vulnerabilities WordPress 6.3.x Multiple Vulnerabilities (6.3 - 6.3.1) Squid Reachable Assertion Vulnerability (CVE-2023-49286) Apache Traffic Server Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') Vulnerability (CVE-2023-38522) MyBB Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2017-16780) phpMyFAQ Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2022-3765) Severity Medium Classification CVE-2021-36400 CWE-639 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Tags Missing Update Known Vulnerabilities