WordPress plugin
JCH Optimize security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 6 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium6
- Low0
All JCH Optimize vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting <6.0.1Update to 6.0.1 | CVE-2026-84934 | |
| Medium4.9 | 5.0.0 - Authenticated (Administrator+) Path Traversal 4.2.1 – 5.0.0Update to 5.0.1 | CVE-2025-15693 | |
| Medium4.3 | Authenticated (Subscriber+) Directory Traversal ≤4.2.0Update to 4.2.1 | CVE-2024-34808 | |
| Medium4.3 | Missing Authorization ≤4.0.0Update to 4.0.1 | CVE-2024-30481 | |
| Medium4.3 | Missing Authorization to Authenticated (Subscriber+) Settings Modification <4.0.1Update to 4.0.1 | — | |
| Medium4.4 | Authenticated (Administrator+) Stored Cross-Site Scripting via admin settings ≤3.2.2Update to 3.2.3 | CVE-2023-25491 |
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting
<6.0.1Update to 6.0.1
- Medium4.95.0.0 - Authenticated (Administrator+) Path Traversal
4.2.1 – 5.0.0Update to 5.0.1
- Medium4.3Authenticated (Subscriber+) Directory Traversal
≤4.2.0Update to 4.2.1
- Medium4.3Missing Authorization
≤4.0.0Update to 4.0.1
- Medium4.3Missing Authorization to Authenticated (Subscriber+) Settings Modification
<4.0.1Update to 4.0.1
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting via admin settings
≤3.2.2Update to 3.2.3
JCH Optimize: common questions
Does JCH Optimize have known vulnerabilities?
Yes. VulnCrest Radar lists 6 known vulnerabilities in JCH Optimize: 6 medium. None are known to affect version null.
How do I check which version of JCH Optimize I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent JCH Optimize vulnerability?
CVE-2026-84934, published Sep 7, 2026: JCH Optimize < 6.0.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any JCH Optimize vulnerability listed in CISA KEV?
No. None of the known JCH Optimize vulnerabilities is currently listed in the CISA KEV catalog.