Description In Moodle, insufficient capability checks made it possible to remove other users' calendar URL subscriptions. Remediation References CVE-2021-36400 Related Vulnerabilities WordPress Plugin Simple Instagram Feed Cross-Site Scripting (1.3) XOOPS Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2008-5665) MySQL Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2014-0001) WordPress Plugin Student Result or Employee Database Security Bypass (1.6.3) WordPress Plugin Events Registration with PayPal IPN Multiple SQL Injection Vulnerabilities (2.1.2) 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