Description elgg is vulnerable to Authorization Bypass Through User-Controlled Key Remediation References CVE-2021-3964 Related Vulnerabilities WordPress Plugin SlideDeck 2 Lite Responsive Content Slider Local/Remote File Inclusion (2.3.3) WordPress Ultimate Member Plugin Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-6944) WordPress Plugin Powerplay Gallery Multiple Vulnerabilities (3.3) WordPress Plugin Ad Buttons Multiple Vulnerabilities (2.3.1) WordPress Plugin CP Contact Form with PayPal Cross-Site Scripting (1.2.97) Severity Medium Classification CVE-2021-3964 CWE-639 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Tags Missing Update Known Vulnerabilities