Description An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of feed fields could lead to xss issues. Remediation References CVE-2021-23130 Related Vulnerabilities WordPress Plugin YOP Poll Cross-Site Scripting (6.1.1) WordPress Plugin Asgaros Forum Cross-Site Request Forgery (1.5.8) Opencart Improper Restriction of XML External Entity Reference Vulnerability (CVE-2014-3990) WordPress Plugin Controlled Admin Access Security Bypass (1.4.0) PHP Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Vulnerability (CVE-2019-11045) Severity Medium Classification CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities CWE-707 CVE-2021-23130