JCH Optimize < 6.0.1 - Subscriber+ Stored XSS via getcacheinfo Task Override (CVE-2026-84934) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-84934

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

Answer in brief

CVE-2026-84934 records a Unknown severity vulnerability in JCH Optimize < 6.0.1 - Subscriber+ Stored XSS via getcacheinfo Task Override. The current sources do not mark it as known exploited. The current feed maps Unknown/JCH Optimize (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 5, 2026Updated Sep 5, 2026Source checked Sep 5, 2026First seen by HOL Sep 5, 2026Material review Sep 5, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/JCH Optimize (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/JCH Optimizegeneric	>=0 <6.0.1	6.0.1

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/JCH Optimize.
Review the reported fix. Update Unknown/JCH Optimize to 6.0.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 5, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.