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Threat Database
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Threat Entry
Updated 2026-04-15
CVE-2026-1490 - Cleantalk Spam Protect Plugin
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS (PTR record) spoofing on the 'checkWithoutToken' function in all versions up to, and including, 6.71. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated. Note: This is only exploitable on sites with an invalid API key.
PLUGIN
Cleantalk Spam Protect
CVE-2026-1490
Risk Score
Threat Entry
Updated 2025-07-12
CVE-2024-10781 - Cleantalk Spam Protect Plugin
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an missing empty value check on the 'api_key' value in the 'perform' function in all versions up to, and including, 6.44. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.
PLUGIN
Cleantalk Spam Protect
CVE-2024-10781
Risk Score
Threat Entry
Updated 2025-07-12
CVE-2024-10542 - Cleantalk Spam Protect Plugin
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS spoofing on the checkWithoutToken function in all versions up to, and including, 6.43.2. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.
PLUGIN
Cleantalk Spam Protect
CVE-2024-10542
Risk Score