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 phpMyAdmin Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2016-5733) Atlassian Confluence Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-29444) Drupal Core 7.x Multiple Vulnerabilities (7.0 - 7.10) WordPress Plugin WOOCS-Currency Switcher for WooCommerce Professional Cross-Site Scripting (1.1.5.1) PostgreSQL Other Vulnerability (CVE-2015-3165) 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