CVE-2023-1405
HighPublished
Formidable Forms < 6.2 - Unauthenticated PHP Object Injection
- Published
- Jan 16, 2024
- Updated
- Jun 11, 2025
- Assigning CNA
- WPScan
- Evidence observed
- Aug 8, 2026
Primary CVSS
7.5/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N0.7%
Low · next 30 days
- Percentile
- 51.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The Formidable Forms WordPress plugin before 6.2 unserializes user input, which could allow anonymous users to perform PHP Object Injection when a suitable gadget is present.
Sources
1- CVE-2023-1405Exploit
Formidable Forms <= 6.1.2 - Unauthenticated PHP Object Injection
Responsible use
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