plugin
7 known security issues reported for the Testimonial WordPress plugin. Most recent disclosed Feb 20, 2026.
Running Testimonial on your site? Check whether your installed version is affected.
Scan your site free[en] Missing Authorization vulnerability in PickPlugins Testimonial Slider testimonial allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Testimonial Slider: from n/a through <= 2.0.15.
The Testimonial Slider plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 2.0.15. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.
[en] Missing Authorization vulnerability in PickPlugins Testimonial Slider testimonial allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Testimonial Slider: from n/a through <= 2.0.15.
The Testimonial Slider plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 2.0.15. This makes it possible for authenticated attackers, with contributor-level access and above, to perform an unauthorized action.
The Testimonial Slider plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.0.13 via deserialization of untrusted input. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vul...
[en] Deserialization of Untrusted Data vulnerability in PickPlugins Testimonial Slider allows Object Injection. This issue affects Testimonial Slider: from n/a through 2.0.13.
The Testimonial Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.3.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to injec...
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