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CVE-2025-9083: ninja forms vulnerability
CVE-2025-9083: critical vulnerability affecting ninja forms. Check CVSS, KEV status, business impact and recommended administrator actions.
- CVSS
- 9.8 CRITICAL
- EPSS
- 40.19%
- Known exploited
- not in KEV
- Product
- ninja forms
What is known
The Ninja Forms WordPress plugin before 3.11.1 unserializes user input via form field, which could allow Unauthenticated users to perform PHP Object Injection when a suitable gadget is present on the blog.
Business impact
Successful exploitation of CVE-2025-9083, a critical vulnerability (CVSS 9.8) affecting ninja forms, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.
Recommended administrator action
Confirm whether ninja forms is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.