CVE-2026-13005
MxChat <= 3.2.10 - Authenticated (Admin+) Stored Cross-Site Scripting via 'intro_message' Setting
CVSS Score
4.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | mxchat |
| Product | mxchat – ai chatbot & content generation for wordpress |
| Published | Jul 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
mxchat / MxChat – AI Chatbot & Content Generation for WordPress
0 ≤ 3.2.10
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/120bc64f-05ec-41e7-9ed4-d88014f4a3ea?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.10/includes/class-mxchat-admin.php#L7811 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.10/admin/class-ajax-handler.php#L145 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.10/admin/class-ajax-handler.php#L522 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mxchat-basic/tags/3.2.10/admin/class-ajax-handler.php#L528 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?reponame=&old=3590075%40mxchat-basic&new=3590075%40mxchat-basic
Credits
PRISM