How severe is CVE-2023-1405?

CVE-2023-1405 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-1405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1405?

CVE-2023-1405 affects Strategy11 Formidable Forms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1405?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-1405 have an EU (EUVD) identifier?

Yes. CVE-2023-1405 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-23660.

When was CVE-2023-1405 published?

CVE-2023-1405 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2023-1405

CVE-2023-1405 is a high-severity vulnerability in Strategy11 Formidable Forms with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-23660
Weakness: CWE-502
Affected product: Strategy11 Formidable Forms
Published: 2024-01-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-1405?: 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.
How severe is CVE-2023-1405?: CVE-2023-1405 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-1405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1405?: CVE-2023-1405 affects Strategy11 Formidable Forms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1405?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-1405 have an EU (EUVD) identifier?: Yes. CVE-2023-1405 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-23660.
When was CVE-2023-1405 published?: CVE-2023-1405 was published on 2024-01-16 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:strategy11:formidable_forms:*:*:*:*:*:wordpress:*:*

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