PHP Object Injection Vulnerability in EventPrime Plugin by WordPress
CVE-2026-56053

8.8HIGH

Key Information:

Vendor

WordPress
Status
Eventprime
Vendor
CVE Published:
25 June 2026

What is CVE-2026-56053?

The EventPrime plugin for WordPress contains a PHP Object Injection vulnerability that affects versions up to 4.3.4.1. This security flaw allows unauthenticated users to inject malicious objects through specially crafted requests, potentially leading to unauthorized operations. Website administrators are strongly advised to update to the latest version of the plugin to mitigate any risks associated with this vulnerability.

Affected Version(s)

EventPrime <= 4.3.4.1

References

https://patchstack.com/database/wordpress/plugin/eventpri...
vdb-entry

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

VanTastic | Patchstack Bug Bounty Program
.