Description In Moodle 3.3, the course overview block reveals activities in hidden courses. Remediation References CVE-2017-7531 Related Vulnerabilities WordPress Plugin No Page Comment Multiple Vulnerabilities (1.1) WordPress Plugin Awesome Support-WordPress HelpDesk & Support Cross-Site Scripting (6.0.5) WordPress Plugin ChenPress Arbitrary File Upload (3.0) WordPress Plugin Site Reviews Cross-Site Scripting (2.15.2) WordPress Plugin AccessPress Custom Post Type includes Backdoor [Only if downloaded via the vendor website] (1.0.8) Severity Medium Classification CVE-2017-7531 CWE-200 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Tags Missing Update Known Vulnerabilities