CVE-2021-38337 – RSVPMaker Excel <= 1.1 Reflected Cross-Site Scripting

https://notcve.org/view.php?id=CVE-2021-38337

The RSVPMaker Excel WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/phpexcel/PHPExcel/Shared/JAMA/docs/download.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.1. El plugin RSVPMaker Excel de WordPress, es vulnerable a un ataque de tipo Cross-Site Scripting Reflejado debido a un valor $_SERVER["PHP_SELF"] reflejado en el archivo ~/phpexcel/PHPExcel/Shared/JAMA/docs/download.php que permite a atacantes inyectar scripts web arbitrario, en versiones hasta 1.1 incluyéndola • https://plugins.trac.wordpress.org/browser/rsvpmaker-excel/tags/1.2/phpexcel/PHPExcel/Shared/JAMA/docs/download.php#L61 https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38337 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •