What’s Vulnerable › Vulnerabilities

CVE-2023-1405: Formidable Forms < 6.2 - Unauthenticated PHP Object Injection

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-01-16 · updated 2026-06-17
• Weakness: CWE-502

Description

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.

Affected products

• Formidable Forms: before 6.2 — fixed in 6.2

How to fix

Upgrade to a fixed version: Formidable Forms 6.2. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/8c727a31-ff65-4472-8191-b1becc08192a/
• https://wpscan.com/vulnerability/8c727a31-ff65-4472-8191-b1becc08192a/

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