ThimPress Course Builder PHP Object Injection Vulnerability

A PHP object injection vulnerability allowing deserialization of untrusted data has been identified in the ThimPress Course Builder WordPress theme, affecting versions prior to 3.6.6. This vulnerability could lead to various injection attacks, including code injection, SQL injection, and path traversal, among other issues, if a suitable property-oriented programming (POP) chain is exploited.

Impact

Exploitation of this vulnerability could allow for PHP object injection, which could be leveraged to execute code injection, SQL injection, path traversal, denial-of-service attacks, and more, depending on the presence of a proper POP chain.

Remediation

Users are advised to update to version 3.6.6 or later. Patchstack has issued a virtual patch that blocks attacks targeting this vulnerability until the update is applied.