CVE-2025-9083 | BDVDB-2026-294591 Detail

Ninja Forms

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-502 Deserialization of Untrusted Data

References#

https://wpscan.com/vulnerability/60b4d7fc-5d23-4dcf-bd7f-e202cabc2625/

Exploit#

https://wpscan.com/vulnerability/60b4d7fc-5d23-4dcf-bd7f-e202cabc2625/

History#

Version 12025-09-18Record published in the CVE List.
Version 22025-09-22Most recent update recorded in the CVE List.

Published

Published: 2025-09-18
Last modified: 2025-09-22

Vendor information

Vendor: Not stated
Product: Ninja Forms

Score

9.8 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 46.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Deserialization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 3.11.1
Fixed
3.11.1

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).