ZendTo prior to 5.22-2 Beta allowed reflected XSS and CSRF via the unlock.tpl unlock user functionality.
Zend Framework 1 (ZF1) before 1.12.4, Zend Framework 2 before 2.1.6 and 2.2.x before 2.2.6, ZendOpenId, ZendRest, ZendService_AudioScrobbler, ZendService_Nirvanix, ZendService_SlideShare, ZendService_Technorati, and ZendService_WindowsAzure before 2.0.2, ZendService_Amazon before 2.0.3, and ZendService_Api before 1.0.0, when PHP-FPM is used, does not properly share the libxml_disable_entity_loader setting between threads, which might allow remote attackers to conduct XML External Entity (XXE) attacks via an XML external entity declaration in conjunction with an entity reference. NOTE: this issue exists because of an incomplete fix for CVE-2012-5657.
Cross-site scripting (XSS) vulnerability in the incubator/tests/Zend/Http/_files/testRedirections.php sample code in Zend Framework Preview 0.2.0 allows remote attackers to inject arbitrary web script or HTML via arbitrary parameters.
Cross-site request forgery (CSRF) vulnerability in Zend/Validator/Csrf in Zend Framework 2.3.x before 2.3.6 via null or malformed token identifiers.