WordPress plugin
Varnish/Nginx Proxy Caching security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High1
- Medium1
- Low0
All Varnish/Nginx Proxy Caching vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.5 | Unauthenticated Information Exposure ≤1.8.3No patch available | CVE-2025-62126 | |
| Medium4.4 | Authenticated (Administrator+) Stored Cross-Site Scripting ≤1.8.3No patch available | CVE-2025-48360 |
- High7.5Unauthenticated Information Exposure
≤1.8.3No patch available
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
≤1.8.3No patch available
Varnish/Nginx Proxy Caching: common questions
Does Varnish/Nginx Proxy Caching have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Varnish/Nginx Proxy Caching: 1 high, 1 medium. At least one is not fixed in the latest version.
How do I check which version of Varnish/Nginx Proxy Caching 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 Varnish/Nginx Proxy Caching vulnerability?
CVE-2025-62126, published Dec 31, 2025: Varnish/Nginx Proxy Caching <= 1.8.3 - Unauthenticated Information Exposure. Severity: High (CVSS 7.5).
Is any Varnish/Nginx Proxy Caching vulnerability listed in CISA KEV?
No. None of the known Varnish/Nginx Proxy Caching vulnerabilities is currently listed in the CISA KEV catalog.