plugin
15 known security issues reported for the Wp Maintenance WordPress plugin. Most recent disclosed May 7, 2025.
Running Wp Maintenance on your site? Check whether your installed version is affected.
Scan your site freeThe WP Maintenance plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 6.1.9.7 via deserialization of untrusted input via the wpm_process_settings_export() function. This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Ob...
[en] Deserialization of Untrusted Data vulnerability in Florent Maillefaud WP Maintenance allows Object Injection. This issue affects WP Maintenance: from n/a through 6.1.9.7.
[en] The WP Maintenance plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 6.1.9.2 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to bypass maintenance...
The WP Maintenance plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 6.1.9.2 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to bypass maintenance mode...
[en] Authentication Bypass by Spoofing vulnerability in WP Maintenance allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects WP Maintenance: from n/a through 6.1.3.
[en] The WP Maintenance plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 6.1.6 via the REST API. This makes it possible for unauthenticated attackers to bypass the plugin's maintenance mode obtain post and page content via REST API.
The WP Maintenance plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 6.1.6 via the REST API. This makes it possible for unauthenticated attackers to bypass the plugin's maintenance mode obtain post and page content via REST API.
The WP Maintenance plugin for WordPress is vulnerable to IP Address Restriction Bypass in versions up to, and including, 6.1.3. This can be used to bypass settings that may have blocked out an IP address from accessing a page on the site.
[en] Authenticated Stored Cross-Site Scripting (XSS) vulnerability in Florent Maillefaud's WP Maintenance plugin <= 6.0.7 at WordPress.
The WP Maintenance plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 6.0.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative permissions and above to inject arbitrary web scripts that execute in a...
The WP Maintenance plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 6.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with admin-level permissions and above, to inject arbitrary web scripts in pages th...
[en] Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance plugin <= 6.0.7 versions.
[en] A flaw in the WordPress plugin, WP Maintenance before 5.0.6, allowed attackers to enable a vulnerable site's maintenance mode and inject malicious code affecting site visitors. There was CSRF with resultant XSS.
Cross-Site Request Forgery (CSRF) to Stored Cross-Site Scripting (XSS) vulnerability found by Chloe Chamberland in WordPress WP Maintenance plugin (versions <=5.0.5).
A flaw in the WordPress plugin, WP Maintenance before 5.0.6, allowed attackers to enable a vulnerable site's maintenance mode and inject malicious code affecting site visitors. There was CSRF with resultant XSS.
Run a free security scan to detect vulnerable plugins and themes, exposed files, and malware — no plugin install, no signup.
Scan your site free