CVE & CISA-KEV CatalogNVD
CVE-2016-1209
CRITICALEPSS 99th pctl9.8
CVSS v3
Description
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.
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
61.61%probability of exploitation in 30 days
99thpercentile
Very high risk: more likely to be exploited than 99% of all known CVEs.
References
- http://jvn.jp/en/jp/JVN44657371/index.html
- http://jvndb.jvn.jp/jvndb/JVNDB-2016-000064
- http://packetstormsecurity.com/files/137211/WordPress-Ninja-Forms-Unauthenticated-File-Upload.html
- http://www.pritect.net/blog/ninja-forms-2-9-42-critical-security-vulnerabilities
- http://www.rapid7.com/db/modules/exploit/unix/webapp/wp_ninja_forms_unauthenticated_file_upload
- https://ninjaforms.com/important-security-update-always-hurt-ones-love/
- https://wordpress.org/plugins/ninja-forms/changelog/
- https://wpvulndb.com/vulnerabilities/8485
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.