Unknown Ninja Forms vulnerabilities

5 CVEs affecting Unknown Ninja Forms, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-92438, published 2026-09-22.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2026-92438, published 2026-09-22. High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days. The Ninja Forms WordPress plugin 3.15.3 does not escape submitted form field values before outputting them on the submission edit screen in the admin area, which could allow unauthenticated users to…
CVE-2026-91827, published 2026-09-22. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. The Ninja Forms WordPress plugin 3.15.3 does not prevent user-submitted form field values from being deserialised when an administrator later exports form submissions to CSV, allowing unauthenticated…
CVE-2026-80437, published 2026-09-06. Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days. The Ninja Forms WordPress plugin from 3.14.10 before 3.15.2 does not prevent shortcodes in request-derived values from being executed when it substitutes them into content it later processes for…
CVE-2026-15256, published 2026-08-06. Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days. The Ninja Forms WordPress plugin before 3.14.10 does not prevent user-supplied query-string input, used to pre-populate a form field's default value, from being processed as a shortcode, allowing…
CVE-2026-80438, published 2026-09-04. Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days. The Ninja Forms WordPress plugin before 3.15.2 does not restrict its REST abilities to administrators, accepting a Ninja Forms WordPress plugin before 3.15.2-specific capability as equivalent to…