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CVE-2026-84934highCWE-79

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

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8epss 0.4%
exploitation probability
0.4%top 67% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · JCH Optimize
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.