CVE-2025-9083

CRITICALNVD 9.89.8—Elevated

9.8

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 v3: 9.8
EG Score: 9.8(medium)
EPSS: 67.3%
KEV: Not listed

Published

September 18, 2025

Last Modified

December 23, 2025

Advisory Details (1)

Auto-updated Jun 1, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

Ninja-forms < 3.11.1 – Unauthenticated PHP Object Injection | CVE 2025-9083 | Plugin Vulnerabilities

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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 13× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:47 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-02 20:13 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 22:29 UTCEG score recompute
2026-05-29 22:29 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-9083?

CVE-2025-9083 is a critical vulnerability published on September 18, 2025. 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.

When was CVE-2025-9083 disclosed?

CVE-2025-9083 was first published in the National Vulnerability Database on September 18, 2025, with the most recent update on December 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-9083 actively exploited?

CVE-2025-9083 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-9083?

CVE-2025-9083 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-9083?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-9083, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-9083

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Ninja-forms < 3.11.1 – Unauthenticated PHP Object Injection | CVE 2025-9083 | Plugin Vulnerabilities

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-9083?

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Frequently asked(5)

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