MxChat – AI Chatbot for WordPress <= 2.5.5 - Unauthenticated Information Exposure

Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2025-12585
CVSS Medium (5.3)
Publicly Published December 2, 2025
Last Updated December 4, 2025
Researcher Ryan Kozak
Description

The MxChat – AI Chatbot for WordPress plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.5.5 via upload filenames. This makes it possible for unauthenticated attackers to extract session values that can subsequently be used to access conversation data.

References

1 affected software package

Software Type Plugin
Software Slug mxchat-basic (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.5.5
Patched Version
  • 2.5.6
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