Stored Cross-Site Scripting Vulnerability in xSpeed Cache Plugin for WordPress
CVE-2026-109985

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Xspeed Cache: Ai-powered Performance Hub With Mcp, Caching & Cdn
Vendor
CVE Published:
17 October 2026

What is CVE-2026-109985?

The xSpeed Cache plugin for WordPress is prone to a Stored Cross-Site Scripting vulnerability, which arises from inadequate input sanitization and output escaping. This flaw affects all versions up to and including 1.4.2. Authenticated attackers with contributor-level access or higher can exploit this vulnerability by injecting malicious web scripts through the 'content' parameter. These scripts execute whenever a user accesses the affected pages, potentially leading to unauthorized actions or data exposure.

Affected Version(s)

xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN 0 <= 1.4.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/xspeed/tags/1....
https://plugins.trac.wordpress.org/browser/xspeed/tags/1....

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wordfence PRISM
.