Improper input validation in Ninjaforms Ninja_forms

CVE-2016-1209

The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via crafted serialized values in a POST request.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.806 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-1209?
CVE-2016-1209 is a critical-severity vulnerability in Ninjaforms Ninja_forms, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-05-14.
How severe is CVE-2016-1209?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-1209 known to be exploited?
10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.