CVE-2026-109985— xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN <= 1.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'post_content' Parameter
Quick assessment
Affected
wpdevteam xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN
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"xSpeed Cache：AI 驱动的性能中心（支持 MCP、缓存与 CDN）”在所有 1.4.2 及更早版本中存在存储型跨站脚本（Stored XSS）漏洞。该漏洞源于对 参数缺乏充分的输入清理和输出转义。拥有贡献者（Contributor）及以上权限的已认证攻击者，可利用此漏洞在页面中注入任意 Web 脚本；当任何用户访问被注入的页面时，这些脚本将被执行。
Possible ATT&CK Techniques 1 AI
T1193
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I. Basic Information for CVE-2026-109985
Vulnerability Information
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Vulnerability Title
xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN <= 1.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'post_content' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'content' parameter in all versions up to, and including, 1.4.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 |
|---|---|---|---|---|
| wpdevteam | xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN | 0 ~ 1.4.2 | - |
|
II. Public POCs for CVE-2026-109985
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-109985 (6)
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V. Comments for CVE-2026-109985
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