plugin
5 known security issues reported for the Add Expires Headers WordPress plugin. Most recent disclosed Apr 30, 2026.
Running Add Expires Headers on your site? Check whether your installed version is affected.
Scan your site freeMultiple plugins and/or themes for WordPress are vulnerable to Reflected Cross-Site Scripting via the url parameter in various versions due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can succe...
The Add Expires Headers & Optimized Minify plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 3.2.0. This makes it possible for unauthenticated attackers to perform an unauthorized action.
The Freemius SDK for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘fs_request_get’ function in versions up to, and including, 2.5.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute...
The Add Expires Headers & Optimized Minify plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.7. This is due to missing or incorrect nonce validation on the plugin settings. This makes it possible for unauthenticated attackers to modify minification and cache expiration...
The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. An...
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