Arraytics Eventin WordPress Plugin PHP Object Injection Vulnerability

A deserialization vulnerability allowing object injection has been identified in the Arraytics Eventin WordPress plugin, affecting versions through 4.1.1. This vulnerability arises from the improper handling of untrusted data, which could potentially be exploited to execute arbitrary code, inject malicious SQL, traverse file paths, cause denial-of-service conditions, and more, if a suitable property-oriented programming chain is available.

Impact

Exploitation of this vulnerability could lead to PHP object injection, allowing for various attacks such as code execution, SQL injection, path traversal, and denial-of-service, depending on the presence of a proper object-oriented programming chain.

Remediation

Users are advised to update to a version of the Arraytics Eventin WordPress plugin that is later than 4.1.1. For those using Patchstack, a mitigation rule has been issued to block attacks targeting this vulnerability.