The UserPro - Community and User Profile WordPress Plugin plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.1.10 via the userpro_fbconnect() function. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.
Conclusion & alert: CVE-2025-4187 is rated Moderate Risk (52.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.33%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-04-10 | 0.76% | 1.33% | +0.57% |
| 2 | 2026-03-10 | 0.68% | 0.76% | +0.08% |
| 3 | 2026-02-28 | — | 0.68% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||