WordPress plugin
Stop User Enumeration 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
- High2
- Medium6
- Low0
All Stop User Enumeration vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Protection Mechanism Bypass ≤1.7.2Update to 1.7.3 | CVE-2025-4302 | |
| Medium6.1 | Reflected Cross-Site Scripting via fs_request_get ≤1.9.2No patch available | CVE-2023-33999 | |
| High8.8 | Missing Authorization to Arbitrary Options Update <3.1.7Update to 3.1.7 | — | |
| Medium5.3 | User Enumeration <1.3.9Update to 1.3.9 | CVE-2017-1000226 | |
| Medium6.1 | Cross-Site Scripting <1.3.8Update to 1.3.8 | CVE-2017-18536 | |
| Medium5.3 | Unauthenticated Username Enumeration ≤1.3.8Update to 1.3.9 | — | |
| Medium5.3 | Username Enumeration Bypasses ≤1.3.4Update to 1.3.5 | — | |
| High7.3 | Security Bypass ≤1.2.4Update to 1.2.5 | — |
- Medium5.3Protection Mechanism Bypass
≤1.7.2Update to 1.7.3
- Medium6.1Reflected Cross-Site Scripting via fs_request_get
≤1.9.2No patch available
- High8.8Missing Authorization to Arbitrary Options Update
<3.1.7Update to 3.1.7
- Medium5.3User Enumeration
<1.3.9Update to 1.3.9
- Medium6.1Cross-Site Scripting
<1.3.8Update to 1.3.8
- Medium5.3Unauthenticated Username Enumeration
≤1.3.8Update to 1.3.9
- Medium5.3Username Enumeration Bypasses
≤1.3.4Update to 1.3.5
- High7.3Security Bypass
≤1.2.4Update to 1.2.5
Stop User Enumeration: common questions
Does Stop User Enumeration have known vulnerabilities?
Yes. VulnCrest Radar lists 8 known vulnerabilities in Stop User Enumeration: 2 high, 6 medium. At least one is not fixed in the latest version.
How do I check which version of Stop User Enumeration 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 Stop User Enumeration vulnerability?
CVE-2025-4302, published Jun 26, 2025: Stop User Enumeration <= 1.7.2 - Protection Mechanism Bypass. Severity: Medium (CVSS 5.3).
Is any Stop User Enumeration vulnerability listed in CISA KEV?
No. None of the known Stop User Enumeration vulnerabilities is currently listed in the CISA KEV catalog.