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.
Published: 2026-09-05
Score: 8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 06 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sat, 05 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
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.
Title JCH Optimize < 6.0.1 - Subscriber+ Stored XSS via getcacheinfo Task Override
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-06T10:24:42.772Z

Reserved: 2026-09-02T16:26:43.553Z

Link: CVE-2026-84934

cve-icon Vulnrichment

Updated: 2026-09-06T10:24:06.932Z

cve-icon NVD

Status : Received

Published: 2026-09-05T07:17:14.690

Modified: 2026-09-06T11:18:05.680

Link: CVE-2026-84934

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-06T13:15:06Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')