CVE-2026-8420 — BLOGCHAT Chat System <= 1.3.6.3 - Cross-Site Request Forgery to Stored Cross-Site Scripting via Settings Update
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 nonc…
Published: 2026-05-20 · CVSS: 6.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7