MxChat <= 3.2.25 - Unauthenticated Stored DOM-Based Cross-Site Scripting via 'feedback' Parameter via mxchat_save_rating
Impact
The MxChat – AI Chatbot & Content Generation for WordPress plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via the 'feedback' parameter in all versions up to, and including, 3.2.25 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The stored payload is written by any unauthenticated visitor via a single POST to admin-ajax.php and detonates automatically when any administrator next loads the…
Source excerpt · WordfenceAffected packages
Affected products
Vendor version evidence. Product records are separate from automatic dependency matching.
mxchat · MxChat – AI Chatbot & Content Generation for WordPress
Other versions: unaffected
| Version / range | Source status |
|---|---|
| 0 through 3.2.25 (inclusive) | affected |
Original source description
The MxChat – AI Chatbot & Content Generation for WordPress plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via the 'feedback' parameter in all versions up to, and including, 3.2.25 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The stored payload is written by any unauthenticated visitor via a single POST to admin-ajax.php and detonates automatically when any administrator next loads the Transcripts page.
References
- Security advisory www.wordfence.com/threat-intel/vulnerabilities/id/0b284bf9-8720-4417-9433-be147b06023a
- Source reference plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.25/js/mxchat_transcripts.js
- Source reference plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.25/js/mxchat_transcripts.js
- Source reference plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.25/js/mxchat_transcripts.js
- Source reference plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.25/includes/class-mxchat-admin.php
- Source reference plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.25/mxchat-basic.php
- Patch plugins.trac.wordpress.org/changeset/3751971/mxchat-basic/trunk/js/mxchat_transcripts.js