CVE-2016-1209
The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-1209- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-1209- Updated
- 2026-11-02
EUVDEUVD-2016-2310 No score
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.
- Record
EUVD-2016-2310- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3qv8-hqcp-vhrh
The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP...
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.
- Record
GHSA-3qv8-hqcp-vhrh- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | WordPress Plugin Ninja Forms 2.9.36 < 2.9.42 - File Upload (Metasploit) | 2016-05-04 |
| Metasploit | WordPress Ninja Forms Unauthenticated File Upload | 2016-05-04 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-1209 is a critical vulnerability (CVSS 9.8) in Ninjaforms Ninja Forms, published May 14, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 61.6%, the 99th percentile. No source names a fixed version.
References
wordpress.org/plugins/ninja-forms/changelog
wpvulndb.com/vulnerabilities/8485
jvndb.jvn.jp/jvndb/JVNDB-2016-000064
ninjaforms.com/important-security-update-always-hurt-ones-love
rapid7.com/db/modules/exploit/unix/webapp/wp_ninja_forms_unauthenticated_file_upload
packetstormsecurity.com/files/137211/WordPress-Ninja-Forms-Unauthenticated-File-Upload.html