Medium 6.4Published Oct 17, 2026

CVE-2026-109985xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN <= 1.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'post_content' Parameter

Updated under an hour ago (2026-10-19 08:23 UTC)

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It affects wpdevteam xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for wpdevteam xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN

Exploited in the last 30 days

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.

CVSS: 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Wordfence
NVD analysis: Received
Record last updated: Oct 18, 2026
First seen by InfoSec Signals: Oct 17, 2026

Affected products

Affected products

wpdevteam xSpeed Cache: AI-Powered Performance Hub with MCP, Caching & CDN wpdevteam:xspeed_cache_ai_powered_performance_hub_with_mcp_caching_and_cdn (from the name)	through 1.4.2	CNA record

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/0d2f534b-804e-4def-bcc6-7418ad7d1ffd?source=cve
https://plugins.trac.wordpress.org/browser/xspeed/tags/1.4.2/includes/class-lazy-loader.php#L882
https://plugins.trac.wordpress.org/browser/xspeed/tags/1.4.2/includes/class-lazy-loader.php#L879
https://plugins.trac.wordpress.org/browser/xspeed/tags/1.4.2/includes/modules/Lazy/LazyModule.php#L197
https://plugins.trac.wordpress.org/browser/xspeed/tags/1.4.2/includes/class-lazy-loader.php#L742
https://plugins.trac.wordpress.org/changeset?reponame=&old=3749755%40xspeed&new=3749755%40xspeed

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.