CVE-2026-42687: Security Advisory

CVE: CVE-2026-42687 CVSS 8.1

CVE-2026-42687 is a high-severity vulnerability (CVSS 8.1).

Summary

Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.

Remediation

Apply the vendor’s update during your next patch window and verify exposure. Patch-management tools that can deploy and verify the fix include Action1, Automox, ManageEngine Patch Manager Plus, ManageEngine Endpoint Central. See our best patch management ranking.

Sources

https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-2-1-php-object-injection-vulnerability?_s_id=cve

Data as of June 16, 2026. Sources: nvd.nist.gov, patchstack.com. Figures are pulled from public vendor and security data and refreshed automatically.