VULNERABILITY INTELLIGENCE
CVE-2026-8420
CVSS score6.1 MEDIUM
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-05-20
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
Weakness classification
- security@wordfence.com: CWE-352