Multiple plugins for WordPress by emarket-design with the 'emd-form-builder-lite' package are vulnerable to Remote Code Execution in various versions via the emd_form_builder_lite_pagenum function. This is due to the plugin not properly validating user input before using it as a function name. This makes it possible for unauthenticated attackers to execute code on the server, however, parameters can not be passed to the functions called
Conclusion & alert: CVE-2025-8420 is rated Moderate Risk (58.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.82%). 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 | 2026-06-02 | 0.41% | 0.82% | +0.41% |
| 2 | 2026-04-22 | 0.31% | 0.41% | +0.10% |
| 3 | 2026-04-09 | — | 0.31% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||