mt-phpincgi.php in Hajime Fujimoto mt-phpincgi before 2015-05-15 does not properly restrict URLs, which allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted request, as exploited in the wild in May 2015.

mt-phpincgi.php in Hajime Fujimoto mt-phpincgi before 2015-05-15 does not properly restrict URLs, which allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted request, as exploited in the wild in May 2015.

mt-phpincgi is script that runs Movable Type templates as PHP. mt-phpincgi contains a PHP object Injection vulnerability. According to the reporter, attacks that attempt to exploit this vulnerability have been confirmed.