CVE-2026-109198

The Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'useremail' parameter in all versions up to, and including, 6.89.1 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-109198

The Anti-Spam by CleanTalk plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) in all versions up to and including 6.89.1 . The root cause is insufficient input sanitization and output escaping of the user_email parameter. An unauthenticated attacker can inject arbitrary web s...

CVE-2026-109198 Anti-Spam by CleanTalk <= 6.89.1 - Unauthenticated Stored Cross-Site Scripting via 'user_email' Registration Parameter

The Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'useremail' parameter in all versions up to, and including, 6.89.1 due to insufficient input sanitization and output escaping. This makes it possible for...