Description elgg is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Remediation References CVE-2021-4072 Related Vulnerabilities Frontaccounting Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2009-4037) MySQL CVE-2012-0491 Vulnerability (CVE-2012-0491) WordPress 4.7.x Prototype Pollution (4.7 - 4.7.22) Joomla Improper Input Validation Vulnerability (CVE-2016-8870) WordPress Plugin Add From Server Directory Traversal (3.3.3) Severity Medium Classification CVE-2021-4072 CWE-707 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities