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CVSS: 9.8EPSS: %CPEs: 1EXPL: 0

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. • CWE-862: Missing Authorization •

CVSS: 8.1EPSS: %CPEs: 1EXPL: 0

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. • CWE-703: Improper Check or Handling of Exceptional Conditions •

CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0

Cross-Site Request Forgery (CSRF) vulnerability in СleanTalk - Anti-Spam Protection Spam protection, Anti-Spam, FireWall by CleanTalk.This issue affects Spam protection, Anti-Spam, FireWall by CleanTalk: from n/a through 6.20. Vulnerabilidad de Cross-Site Request Forgery (CSRF) en ?leanTalk - Anti-Spam Protection Spam protection, Anti-Spam, FireWall by CleanTalk. Este problema afecta a la protección contra spam, Anti-Spam, FireWall de CleanTalk: desde n/a hasta 6.20. The Spam protection, AntiSpam, FireWall by CleanTalk plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 6.20. • https://patchstack.com/database/vulnerability/cleantalk-spam-protect/wordpress-spam-protection-antispam-firewall-by-cleantalk-anti-spam-plugin-6-20-cross-site-request-forgery-csrf-vulnerability?_s_id=cve • CWE-352: Cross-Site Request Forgery (CSRF) •

CVSS: 6.3EPSS: 0%CPEs: 1EXPL: 0

The Spam protection, AntiSpam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability check on several functions along with nonce disclosure in versions up to, and including, 6.10. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify/export/import templates and trash/spam/modify comments among some other actions. • CWE-862: Missing Authorization •