Ninja Forms prior to 3.8.1 contains a cross-site scripting vulnerability in custom fields for labels. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who is accessing to the website using the product.
Conclusion & alert: CVE-2024-29220 is rated Moderate Risk (43.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.31%). 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 | 2025-11-21 | 0.22% | 0.31% | +0.09% |
| 2 | 2025-11-18 | 0.31% | 0.22% | -0.09% |
| 3 | 2025-08-31 | — | 0.31% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ninjaforms | ninja_forms | < 3.8.1 | cpe:2.3:a:ninjaforms:ninja_forms:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN50361500/ | Third Party Advisory |
| https://ninjaforms.com/ | Product |
| https://wordpress.org/plugins/ninja-forms/ | Product |