CVE-2023-1405

HIGHNVD 7.57.5—Elevated

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 56.9%
KEV: Not listed

Published

January 16, 2024

Last Modified

June 11, 2025

References (2)

contact@wpscanhttps://wpscan.com/vulnerability/8c727a31-ff65-4472-8191-b1becc08192a/
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/8c727a31-ff65-4472-8191-b1becc08192a/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-1405?

CVE-2023-1405 is a high vulnerability published on January 16, 2024. 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.

When was CVE-2023-1405 disclosed?

CVE-2023-1405 was first published in the National Vulnerability Database on January 16, 2024, with the most recent update on June 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-1405 actively exploited?

CVE-2023-1405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-1405?

CVE-2023-1405 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-1405?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-1405, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-1405

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-1405?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)