CVE-2026-62103 wpeverest CVE debrief

Who should care

Defenders responsible for WordPress installations with Everest Forms plugin versions up to 3.6.0 should assess exposure and prioritize remediation.

Why it matters

CVE-2026-62103 is a critical vulnerability in Everest Forms plugin versions up to 3.6.0, allowing unauthenticated PHP object injection. Defenders should assess exposure, prioritize remediation, and verify vendor-provided fixes to prevent potential attacks.

• Potential for unauthenticated attacks
• Critical CVSS score of 9.8 indicating high severity
• Possible impact on data confidentiality, integrity, and availability

Technical summary

CVE-2026-62103 is an unauthenticated PHP object injection vulnerability in Everest Forms plugin versions up to 3.6.0, with a critical CVSS score of 9.8.

Defensive priority

High priority for remediation due to critical CVSS score of 9.8 and potential for unauthenticated attacks.

Recommended defensive actions

• Assess exposure of Everest Forms plugin versions up to 3.6.0
• Prioritize remediation of vulnerable plugin versions
• Verify vendor-provided fixes for the vulnerability

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on affected versions and remediation steps is limited.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.