Description A reverse proxy issue exists in FluxBB before 1.4.7 when FORUM_BEHIND_REVERSE_PROXY is enabled. Remediation References CVE-2011-3621 Related Vulnerabilities WordPress Plugin JetWidgets For Elementor Multiple Cross-Site Scripting Vulnerabilities (1.0.8) WordPress Plugin User Profile Builder-Beautiful User Registration Forms, User Profiles & User Role Editor Privilege Escalation (2.4.0) Artifactory Incorrect Authorization Vulnerability (CVE-2021-45730) MySQL CVE-2015-4913 Vulnerability (CVE-2015-4913) TCExam Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-20116) Severity Critical Classification CVE-2011-3621 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities