plugin
14 known security issues reported for the Theatre WordPress plugin. Most recent disclosed Mar 5, 2026.
Running Theatre on your site? Check whether your installed version is affected.
Scan your site free[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeroen Schmit Theater for WordPress theatre allows Stored XSS.This issue affects Theater for WordPress: from n/a through <= 0.19.
The Theater for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 0.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pa...
[en] Missing Authorization vulnerability in Jeroen Schmit Theater for WordPress theatre allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Theater for WordPress: from n/a through <= 0.19.
The Theater for WordPress plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 0.19. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.
The Theater for WordPress plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 0.18.8. This makes it possible for unauthenticated attackers to perform an unauthorized action.
[en] Missing Authorization vulnerability in Jeroen Schmit Theater for WordPress theatre allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Theater for WordPress: from n/a through <= 0.18.8.
The Theater for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 0.18.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in...
[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeroen Schmit Theater for WordPress allows Stored XSS. This issue affects Theater for WordPress: from n/a through 0.18.8.
The Theater for WordPress plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 0.18.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.
[en] Missing Authorization vulnerability in Jeroen Schmit Theater for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Theater for WordPress: from n/a through 0.18.7.
[en] The Theater for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 0.18.6.2. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that e...
The Theater for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 0.18.6.2. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execut...
[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeroen Schmit Theater for WordPress plugin <= 0.18.3 versions.
The Theater for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 0.18.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to i...
Run a free security scan to detect vulnerable plugins and themes, exposed files, and malware — no plugin install, no signup.
Scan your site free