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CVE-2026-13005— MxChat <= 3.2.10 - Authenticated (Admin+) Stored Cross-Site Scripting via 'intro_message' Setting

Quick assessment

Affected
mxchat MxChat – AI Chatbot & Content Generation for WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress MxChat是WordPress基金会的一款AI 聊天机器人和内容生成插件。 WordPress MxChat 3.2.10及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致经过身份验证的攻击者（具有管理员级别权限及以上）通过管理员设置注入存储型Web脚本，当用户访问包含这些脚本的页面时会被执行。

CVSS 4.4 · Medium EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
mxchat MxChat – AI Chatbot & Content Generation for WordPress ≤ 3.2.10 affected
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I. Basic Information for CVE-2026-13005

Vulnerability Information
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Vulnerability Title
MxChat <= 3.2.10 - Authenticated (Admin+) Stored Cross-Site Scripting via 'intro_message' Setting
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress MxChat 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress MxChat是WordPress基金会的一款AI 聊天机器人和内容生成插件。 WordPress MxChat 3.2.10及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致经过身份验证的攻击者（具有管理员级别权限及以上）通过管理员设置注入存储型Web脚本，当用户访问包含这些脚本的页面时会被执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mxchat MxChat – AI Chatbot & Content Generation for WordPress 0 ~ 3.2.10 -

II. Public POCs for CVE-2026-13005

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III. Intelligence Information for CVE-2026-13005

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Vendor Advisories for CVE-2026-13005 (1)

IV. Related Vulnerabilities

Same product: MxChat – AI Chatbot & Content Generation for WordPress
Same vendor: mxchat
Same weakness: CWE-79