plugin
17 known security issues reported for the Stop Spammer Registrations Plugin WordPress plugin. Most recent disclosed Jun 1, 2026.
Running Stop Spammer Registrations Plugin on your site? Check whether your installed version is affected.
Scan your site freeThe Stop Spammers Classic plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2026.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user...
[en] The Stop Spammers Classic plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2026.1. This is due to missing nonce validation in the ss_addtoallowlist class. This makes it possible for unauthenticated attackers to add arbitrary email addresses to the spam allowlis...
The Stop Spammers Classic plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2026.1. This is due to missing nonce validation in the ss_addtoallowlist class. This makes it possible for unauthenticated attackers to add arbitrary email addresses to the spam allowlist via...
The Anti-Spam: Spam Protection | Block Spam Users, Comments, Forms plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2024.7. This is due to missing or incorrect nonce validation in the 'ss_option_maint.php' and 'ss_user_filter_list' files. This makes it possible for...
[en] The Stop Spammers Security | Block Spam Users, Comments, Forms plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2024.4. This is due to missing or incorrect nonce validation on the sfs_process AJAX action. This makes it possible for unauthenticated attackers to...
The Stop Spammers Security | Block Spam Users, Comments, Forms plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2024.4. This is due to missing or incorrect nonce validation on the sfs_process AJAX action. This makes it possible for unauthenticated attackers to add a...
[en] The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2023 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in m...
[en] The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2023 does not sanitise and escape various parameters before outputting them back in admin dashboard pages, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
The Stop Spammers Security plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via several parameters in versions up to, and including, 2022.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that e...
The Stop Spammers Security plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 2022.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inj...
[en] The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2022.6 passes base64 encoded user input to the unserialize() PHP function when CAPTCHA are used as second challenge, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain
The Stop Spammers Security plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2022.5 via deserialization of untrusted input when issuing a CPATCHA challenge. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP...
[en] The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2021.18 does not escape some of its settings, allowing high privilege users such as admin to set Cross-Site Scripting payloads in them even when the unfiltered_html capability is disallowed
The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2021.18 does not escape some of its settings, allowing high privilege users such as admin to set Cross-Site Scripting payloads in them even when the unfiltered_html capability is disallowed
[en] The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.
The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.
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