Formidable Forms < 6.2 - Unauthenticated PHP Object Injection
Priority HIGH 72CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00702 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Formidable Forms (Unknown): 6.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Formidable Forms | before 6.2 | 6.2 | Patch available | CNA |
- Formidable Forms VendorUnknown Affected before 6.2 Fixed in 6.2 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:strategy11:formidable_forms:*:*:*:*:*:wordpress:*:* | before 6.2 | Vulnerable | strategy11team |
- cpe:2.3:a:strategy11:formidable_forms:*:*:*:*:*:wordpress:*:* Versions before 6.2 Vulnerable ·strategy11team
Remediation
- Fix · CNA Formidable Forms (Unknown) Fixed in 6.2
Timeline
- 2026-10-02 Threatist record created from CVE-2023-1405
- 2026-10-03 Alias added: GHSA-wfgq-9f7c-xcw5
References
More strategy11team Formidable Forms vulnerabilities
- TI-2023-02696 Formidable Forms < 6.3.1 - Subscriber+ Remote Code Execution CVSS 3.1HIGH 8.8
- TI-2024-09065 Formidable Forms < 6.14.1 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2022-22610 WordPress Formidable Forms plugin <= 5.5.4 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-15563 WordPress Formidable Forms plugin <= 6.7 - Content Injection vulnerability CVSS 3.1MEDIUM 6.1
- TI-2024-10363 Cross-site scripting in strategy11team Formidable Forms – Contact Form Plugin, Survey… CVSS 3.1MEDIUM 6.1
- TI-2024-00610 Formidable Forms <= 6.7.2 - Cross-Site Request Forgery to Stored Cross-Site Scripting CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-1405 · CVE Program
- CVE-2023-1405 · NVD
- FIRST EPSS
- GHSA-wfgq-9f7c-xcw5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences