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CVE-2026-110662— MxChat <= 3.2.25 - Unauthenticated Stored DOM-Based Cross-Site Scripting via 'feedback' Parameter via mxchat_save_rating

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 插件"MxChat – AI Chatbot & Content Generation for WordPress"在所有 3.2.25 及之前的版本中，由于输入净化和输出转义不足，存在通过"feedback"参数触发的存储型 DOM 跨站脚本（Stored DOM-Based XSS）漏洞。该漏洞允许未认证的攻击者在页面中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将自动执行。攻击者只需向 admin-ajax.php 发送一次 POST 请求即可存储恶意载荷，该载荷会在任何管理

CVSS 7.2 · High EPSS 0.31% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
mxchat MxChat – AI Chatbot & Content Generation for WordPress ≤ 3.2.25 affected
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I. Basic Information for CVE-2026-110662

Vulnerability Information
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Vulnerability Title
MxChat <= 3.2.25 - Unauthenticated Stored DOM-Based Cross-Site Scripting via 'feedback' Parameter via mxchat_save_rating
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
mxchat MxChat – AI Chatbot & Content Generation for WordPress 0 ~ 3.2.25 -

II. Public POCs for CVE-2026-110662

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III. Intelligence Information for CVE-2026-110662

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Patches & Fixes for CVE-2026-110662 (1)

Vendor Advisories for CVE-2026-110662 (1)

Other References for CVE-2026-110662 (1)

IV. Related Vulnerabilities

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