BLOGCHAT Chat System, CVE-2026-8420

CVE, Research URL: CVE-2026-8420
Home page URL: Security reports for BLOGCHAT Chat System
Application: BLOGCHAT Chat System
Published on: May 20, 2026
Research Description: The BLOGCHAT Chat System plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.6.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected versions: max 1.3.6.3.
Status: vulnerable