Description An issue was discovered in Joomla! 3.2.0 through 3.9.24. Missing input validation within the template manager. Remediation References CVE-2021-23131 Related Vulnerabilities WordPress Plugin Integration for Contact Form 7 and Constant Contact Cross-Site Scripting (1.0.8) IBM WebSEAL Missing Authorization Vulnerability (CVE-2020-4499) WordPress Plugin WordPress Social Login and Register (Discord, Google, Twitter, LinkedIn) Security Bypass (7.6.4) Drupal Core 7.x Security Bypass (7.0 - 7.4) WordPress Plugin Google Forms Server-Side Request Forgery (0.91) Severity High Classification CVE-2021-23131 CWE-20 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Tags Missing Update Known Vulnerabilities