init.php in the Loginizer plugin 1.3.8 through 1.3.9 for WordPress has Unauthenticated Stored Cross-Site Scripting (XSS) because logging is mishandled. This is fixed in 1.4.0.
Conclusion & alert: CVE-2018-11366 is rated High Exploit Risk (70.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.21%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.24% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 1.97% | 3.21% | +1.24% |
| 2 | 2025-11-18 | 3.21% | 1.97% | -1.24% |
| 3 | 2025-07-23 | — | 3.21% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| https://blog.dewhurstsecurity.com/2018/05/22/loginizer-wordpress-plugin-xss-vulnerability.html | Exploit Third Party Advisory |
| https://plugins.trac.wordpress.org/changeset/1878502/loginizer | Patch |
| https://wordpress.org/plugins/loginizer/#developers | Release Notes |
| https://wpvulndb.com/vulnerabilities/9088 | Exploit Third Party Advisory |