CVE-2026-84934JCH Optimize < 6.0.1 - Subscriber+ Stored XSS via getcacheinfo Task Override
Updated under an hour ago ()
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It affects Unknown JCH Optimize. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.0 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- 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
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Sep 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown JCH Optimize unknown:jch_optimize (from the name) | before 6.0.1 | CNA record |
References
- https://wpscan.com/vulnerability/d808ad17-d20e-4ee5-94f3-935c10cde772/exploit, vdb-entry, technical-description
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.