The ultimate-form-builder-lite plugin before 1.3.7 for WordPress has SQL Injection, with resultant PHP Object Injection, via wp-admin/admin-ajax.php.
Conclusion & alert: CVE-2017-15919 is rated High Risk (68.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.48%). Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 1.67% | 2.48% | +0.81% |
| 2 | 2026-02-06 | 2.10% | 1.67% | -0.42% |
| 3 | 2025-05-12 | — | 2.10% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| accesspressthemes | ultimate-form-builder-lite | <= 1.3.6 | cpe:2.3:a:accesspressthemes:ultimate-form-builder-lite:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/101604 | Third Party Advisory VDB Entry |
| https://wordpress.org/plugins/ultimate-form-builder-lite/#developers | Release Notes Third Party Advisory |
| https://wpvulndb.com/vulnerabilities/8935 | Third Party Advisory |
| https://www.wordfence.com/blog/2017/10/zero-day-vulnerability-ultimate-form-builder-lite/ | Third Party Advisory |