CVE-2026-13005: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mxchat MxChat – AI Chatbot & Content Generation for WordPress
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.
AI Analysis
Technical Summary
CVE-2026-13005 is a stored Cross-Site Scripting (CWE-79) vulnerability in the MxChat – AI Chatbot & Content Generation for WordPress plugin. Due to insufficient input sanitization and output escaping in admin settings, authenticated administrators can inject arbitrary web scripts. These scripts execute in the context of users visiting the injected pages. The vulnerability affects all plugin versions up to and including 3.2.10, but only in multi-site WordPress installations or where unfiltered_html is disabled.
Potential Impact
An attacker with administrator-level permissions can inject malicious scripts that execute in the browsers of users who visit the affected pages. This can lead to the theft of sensitive information, session hijacking, or other client-side attacks. The vulnerability does not affect single-site installations or installations where unfiltered_html is enabled. There is no indication of availability impact or known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator access to trusted users only and consider enabling unfiltered_html capability if appropriate. Monitor official vendor channels for updates or patches addressing this vulnerability.
CVE-2026-13005: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mxchat MxChat – AI Chatbot & Content Generation for WordPress
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.
CVSS v3.1
Score 4.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13005 is a stored Cross-Site Scripting (CWE-79) vulnerability in the MxChat – AI Chatbot & Content Generation for WordPress plugin. Due to insufficient input sanitization and output escaping in admin settings, authenticated administrators can inject arbitrary web scripts. These scripts execute in the context of users visiting the injected pages. The vulnerability affects all plugin versions up to and including 3.2.10, but only in multi-site WordPress installations or where unfiltered_html is disabled.
Potential Impact
An attacker with administrator-level permissions can inject malicious scripts that execute in the browsers of users who visit the affected pages. This can lead to the theft of sensitive information, session hijacking, or other client-side attacks. The vulnerability does not affect single-site installations or installations where unfiltered_html is enabled. There is no indication of availability impact or known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator access to trusted users only and consider enabling unfiltered_html capability if appropriate. Monitor official vendor channels for updates or patches addressing this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-06-23T13:59:37.428Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a588e6368715ace439dd7f0
Added to database: 07/16/2026, 07:55:15 UTC
Last enriched: 07/16/2026, 08:03:10 UTC
Last updated: 08/29/2026, 13:59:56 UTC
Views: 87
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