CVE-2026-62103 wpeverest CVE debrief

Who should care

Defenders responsible for WordPress installations with the Everest Forms plugin should assess exposure and prioritize patching or mitigation

Why it matters

CVE-2026-62103 is a critical vulnerability in the Everest Forms plugin that allows for unauthenticated PHP Object Injection. Defenders responsible for WordPress installations with this plugin should assess exposure and prioritize patching or mitigation efforts to prevent potential code execution and data compromise.

• Potential for unauthenticated code execution
• Possible impact on data confidentiality and integrity
• Requires verification of affected versions and exposure
• Prioritization of patching or mitigation efforts

Technical summary

The Everest Forms plugin, up to version 3.6.0, is vulnerable to unauthenticated PHP Object Injection due to inadequate input validation and sanitization. This vulnerability enables attackers to inject malicious PHP objects, which can lead to code execution and data compromise. The plugin's failure to properly validate user input allows for the injection of malicious objects,

Defensive priority

Defenders should prioritize verifying exposure and applying patches or mitigations.

Recommended defensive actions

• Verify exposure of Everest Forms plugin versions up to 3.6.0
• Apply patches or mitigations for affected versions
• Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability.

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.