TI-2021-13672 CVE-2021-34658 · GHSA-3ffg-w27c-62q6Simple Popup Newsletter <= 1.4.7 Reflected Cross-Site ScriptingPriority LOW 29The Simple Popup Newsletter WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/simple-popup-newsletter.php file which allows attackers to inject arbitrary web…CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00895 · Published 2021-08-16 · No fix listed CWE-79