CVE-2026-13005
Received Received - Intake

Stored XSS in MxChat AI Chatbot & Content Generation for WordPress

Publication date: 2026-07-16

Last updated on: 2026-07-16

Assigner: Wordfence

Description
The MxChat – AI Chatbot & Content Generation for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.2.10 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

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Meta Information

Published
2026-07-16
Last Modified
2026-07-16
Generated
2026-07-16
AI Q&A
2026-07-16
EPSS Evaluated
N/A
NVD
CVE-2026-13005
EUVD
EUVD-2026-44854

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mxchat ai_chatbot to 3.2.10 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

The MxChat – AI Chatbot & Content Generation for WordPress plugin has a stored cross-site scripting (XSS) vulnerability in versions up to 3.2.10. This flaw allows authenticated attackers with administrator-level permissions to inject malicious scripts into web pages. The vulnerability exists due to insufficient input sanitization and output escaping in admin settings.

Impact Analysis

This vulnerability could allow attackers to execute arbitrary web scripts on pages viewed by users. This may lead to unauthorized actions, data theft, or defacement of the website. It specifically affects multi-site installations or sites where unfiltered_html is disabled.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, potentially violating GDPR and HIPAA compliance. Stored XSS may expose sensitive information, leading to legal and regulatory penalties for non-compliance.

Detection Guidance

This vulnerability can be detected by reviewing WordPress plugin files for the MxChat plugin. Check for admin settings that allow unsanitized input. Look for scripts injected into pages that execute on access. Verify if unfiltered_html is disabled or if multi-site installations are affected.

Mitigation Strategies

Update the MxChat plugin to the latest version beyond 3.2.10. Ensure input sanitization is enabled for admin settings. Disable unfiltered_html if not required. Review multi-site configurations for suspicious scripts. Monitor pages for unexpected script injections.

Executive Summary

The MxChat – AI Chatbot & Content Generation for WordPress plugin has a stored Cross-Site Scripting (XSS) vulnerability in versions up to 3.2.10. This flaw allows authenticated attackers with admin-level permissions to inject malicious scripts into pages. The scripts execute when users access the affected pages. The vulnerability only impacts multi-site installations or setups where unfiltered_html is disabled.

Impact Analysis

Attackers could steal user sessions, deface websites, or redirect visitors to malicious sites. Since the vulnerability requires admin access, the primary risk is to site administrators or users in multi-site environments. The impact is limited to injected pages and depends on user interactions.

Compliance Impact

Stored XSS can lead to unauthorized data access or modification, violating GDPR (data protection) and HIPAA (health data privacy). If user data is compromised, organizations may face fines or legal penalties for non-compliance.

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