A vulnerability, which was classified as problematic, was found in sproctor php-calendar. This affects an unknown part of the file index.php. The manipulation of the argument $_SERVER['PHP_SELF'] leads to cross site scripting. It is possible to initiate the attack remotely. The name of the patch is a2941109b42201c19733127ced763e270a357809. It is recommended to apply a patch to fix this issue. The identifier VDB-215445 was assigned to this vulnerability.