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OpenAdvisories

Product · webguyio

Stop Spammers Classic

4 known vulnerabilities.

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  • Medium 4.7

    Stop Spammers Classic <= 2026.6 - Unauthenticated Stored Cross-Site Scripting via 'author' Parameter

    The Stop Spammers Classic plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'author' POST parameter in versions up to, and including, 2026.6. An unauthenticated POST handled on init stores the attacker-supplied author field (after sani…

  • Medium 4.3

    Stop Spammers Classic <= 2026.1 - Cross-Site Request Forgery via Email Allowlist

    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 attacke…

  • Medium 5.4

    Anti-Spam: Spam Protection | Block Spam Users, Comments, Forms <= 2024.7 - Cross-Site Request Forgery to Multiple Administrative Actions

    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'…

  • Medium 5.4

    Stop Spammers Security | Block Spam Users, Comments, Forms <= 2024.4 - Cross-Site Request Forgery (CSRF) via sfs_process

    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. …