CVE-2025-9083
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
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.
Analysis
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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical Context
This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. 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. Affected products include: Ninjaforms Ninja Forms. Version information: before 3.11.1.
Affected Products
Ninjaforms Ninja Forms.
Remediation
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.
Priority Score
Share
External POC / Exploit Code
Leaving vuln.today