WordPress plugin
JWT Auth – WordPress JSON Web Token Authentication 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.
- Critical1
- High0
- Medium1
- Low0
All JWT Auth – WordPress JSON Web Token Authentication vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Persistent Unauthorized Account Access ≤3.0.2No patch available | CVE-2026-106466 | |
| Critical9.1 | Algorithm Confusion ≤2.1.0Update to 2.1.1 | CVE-2021-46743 |
- Medium5.3Unauthenticated Persistent Unauthorized Account Access
≤3.0.2No patch available
- Critical9.1Algorithm Confusion
≤2.1.0Update to 2.1.1
JWT Auth – WordPress JSON Web Token Authentication: common questions
Does JWT Auth – WordPress JSON Web Token Authentication have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in JWT Auth – WordPress JSON Web Token Authentication: 1 critical, 1 medium. At least one is not fixed in the latest version.
How do I check which version of JWT Auth – WordPress JSON Web Token Authentication 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 JWT Auth – WordPress JSON Web Token Authentication vulnerability?
CVE-2026-106466, published Nov 6, 2026: JWT Auth <= 3.0.2 - Unauthenticated Persistent Unauthorized Account Access. Severity: Medium (CVSS 5.3).
Is any JWT Auth – WordPress JSON Web Token Authentication vulnerability listed in CISA KEV?
No. None of the known JWT Auth – WordPress JSON Web Token Authentication vulnerabilities is currently listed in the CISA KEV catalog.