CVE-2026-84934
JCH Optimize < 6.0.1 - Subscriber+ Stored XSS via getcacheinfo Task Override
- State
- Published
- Severity
- 8.0 High
- Published
- Sep 5, 2026
- Updated
- Sep 6, 2026
- Reserved
- Sep 2, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.0 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
JCH OptimizeUnknown |
|
References
- https://wpscan.com/vulnerability/d808ad17-d20e-4ee5-94f3-935c10cde772/exploitvdb-entrytechnical-description
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