Vulnerability · Published Sep 5, 2026 · Assigned by WPScan

CVE-2026-84934JCH Optimize < 6.0.1 - Subscriber+ Stored XSS via getcacheinfo Task Override

High 8.0

In plain English

A high-severity cross-site scripting in JCH Optimize from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High

Exploit odds (30 days)0.4%top 64.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The JCH Optimize WordPress plugin before 6.0.1 does not perform a capability check on one of its authenticated AJAX actions and lets the request choose which internal action runs, allowing any authenticated users such as Subscribers to import arbitrary JCH Optimize WordPress plugin before 6.0.1 settings and store a script that executes in the browser of any visitor or administrator viewing the site.

Affected products (as reported)

Vendor	Product	Versions
Unknown	JCH Optimize	0 – before 6.0.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References

https://wpscan.com/vulnerability/d808ad17-d20e-4ee5-94f3-935c10cde772/ exploit, vdb-entry, technical-description