plugin
8 known security issues reported for the Stop User Enumeration WordPress plugin. Most recent disclosed Jun 26, 2025.
Running Stop User Enumeration on your site? Check whether your installed version is affected.
Scan your site freeThe Stop User Enumeration plugin for WordPress is vulnerable to protection mechanism bypass in all versions up to, and including, 1.7.2. This is due to the plugin not restricting URL encoded paths from returning user data. This makes it possible for unauthenticated attackers to enumerate WordPress users.
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 Freemius SDK for WordPress is vulnerable to authorization bypass due to a missing capability check on the _get_db_option and _set_db_option functions in versions up to, and including, 2.2.3. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to change site settings and...
The Stop User Enumeration plugin for WordPress is vulnerable to User Enumeration in versions up to, and including, 1.3.8. This is due to a flaw that was found in the REST API. This makes it possible for unauthenticated attackers to perform a POST request in the REST API allows simulating different request types. As suc...
The Stop User Enumeration plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 1.3.7 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts that execute in a victim's browser.
The Stop User Enumeration plugin for WordPress is vulnerable to Username Enumeration in versions up to, and including, 1.3.8 via the due to the REST API. This makes it possible for unauthenticated attackers to generate lists of usernames gathered from vulnerable services.
The Stop User Enumeration plugin for WordPress is vulnerable to Username Enumeration Bypasses in versions up to, and including, 1.3.4. This makes it possible for unauthenticated attackers to enumerate lists of valid users that can be used for future attacks.
The WordPress Stop User Enumeration Plugin for WordPress is vulnerable to Security Bypass in versions up to, and including, 1.2.4 via POST requests as the protection only functions as intended with GET requests. This makes it possible for unauthenticated attackers to perform otherwise secured actions.
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