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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 func…

Medium CVSS 6.1
CVECVE-2026-8420
First seen2026-07-24 00:30 UTC
Disclosed2026-05-20 02:16 UTC
Last updated2026-07-24 00:30 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.wordfence.com/threat-intel/vulnerabilities/id/a62186aa-19aa-445b-8fdc-b029bdafd58f?source=cve

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD