CVE-2026-42687

WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injection vulnerability

Published Jun 15, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.

Remediation

Vendor Solution

Update the WordPress EventPrime Plugin to the latest available version (at least 4.3.2.2).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Theeventprime
Theeventprime eventprime
Wordpress
Wordpress wordpress
Vendors & Products Theeventprime
Theeventprime eventprime
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.
Title WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Jun 16, 2026, 1:24 AM
Reserved
Apr 29, 2026, 9:04 AM
Status
Deferred
Published
Jun 15, 2026, 9:16 PM
Modified
Jun 17, 2026, 10:48 AM