CleanTalk vulnerabilities
We track 11 vulnerabilities in CleanTalk products across 7 products. 11 are rated high or critical, and none are known to be exploited. The most recent was published on October 23, 2026.
Latest CleanTalk vulnerabilities
- 7.2 High severity
CleanTalk Anti-Spam – Complete Spam Protection: Improper Neutralization of Input During Web Page Generation
The Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'user_email' parameter in all versions up to, and including, 6.89.1 due to insufficient input sanitization and output escapin
- 7.2 High severity
Spam protection, Honeypot, Anti-Spam by…: Improper Neutralization of Input During Web Page Generation
The Spam protection, Honeypot, Anti-Spam by CleanTalk plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content aria-label Placeholder in all versions up to, and including, 6.86 due to insufficient input sanitization and output esca
- 9.8 Critical severity
Spam protection, Honeypot, Anti-Spam by…: Reliance on Reverse DNS Resolution for a Security-Critical Action
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 t
- 7.2 High severity
Login Security, FireWall, Malware removal by…: Improper Neutralization of Input During Web Page Generation
The Login Security, FireWall, Malware removal by CleanTalk plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the page URL in all versions up to, and including, 2.168 due to insufficient input sanitization and output escaping. This makes it
- 9.8 Critical severity
Login Security, FireWall, Malware removal by…: Unrestricted Upload of File with Dangerous Type
The Security & Malware scan by CleanTalk plugin for WordPress is vulnerable to arbitrary file uploads due to the plugin uploading and extracting .zip archives when scanning them for malware through the checkUploadedArchive() function in all versions up to, and
- 7.5 High severity
Spam protection, Honeypot, Anti-Spam by…: Improper Check or Handling of Exceptional Conditions
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.
- 7.5 High severity
Login Security, FireWall, Malware removal by…: Improper Neutralization of Special Elements used in an SQL Command
The Security & Malware scan by CleanTalk plugin for WordPress is vulnerable to unauthorized SQL Injection due to an authorization bypass via reverse DNS spoofing on the checkWithoutToken function in all versions up to, and including, 2.145, as well as insuffic
- 7.5 High severity
Spam protection, Honeypot, Anti-Spam by…: Missing Authorization
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 includin
- 8.8 High severity
Spam protection, Anti-Spam, FireWall by…: Cross-Site Request Forgery
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.
- 8.8 High severity
Spam protection, Anti-Spam, FireWall by…: Cross-Site Request Forgery
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.
- 7.2 High severity
Spam protection, AntiSpam, FireWall by CleanTalk: Improper Neutralization of Special Elements used in an SQL Command
The Spam protection, AntiSpam, FireWall by CleanTalk WordPress plugin before 5.185.1 does not validate ids before using them in a SQL statement, which could lead to SQL injection exploitable by high privilege users such as admin