The Photo Video Gallery Master plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.5.3 via deserialization of untrusted input 'PVGM_all_photos_details' parameter.
The Universal Slider plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.6.5 via deserialization of untrusted input 'fsl_get_gallery_value' function.