Critical severity · published Sep 18, 2025
CVE-2025-9083
Ninja-forms < 3.11.1 - Unauthenticated PHP Objection
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Ninja Forms ·
before 3.11.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9083
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9083
Exploit
https://wpscan.com/vulnerability/60b4d7fc-5d23-4dcf-bd7f-e202cabc2625/
More from Ninja Forms
8.8
CVE-2026-92438
Ninja Forms 3.15.3 - Unauthenticated Stored XSS via Paragraph Text Field in Submissions Admin
7.5
CVE-2026-91827
Ninja Forms 3.15.3 - Unauthenticated PHP Object Injection via CSV Export
6.1
CVE-2024-7354
Ninja Forms 3.8.6-3.8.10 - Reflected XSS
5.9
CVE-2026-80438
Ninja Forms 3.14.0 - 3.15.1 - Authenticated Arbitrary Post Modification and Sensitive Information Disclosure via Abilities REST API
5.3
CVE-2025-14072
Ninja Forms < 3.13.3 - Unauthenticated Token Generation and Submission Disclosure