AncoraThemes Umberto WordPress Theme PHP Object Injection Vulnerability

A deserialization vulnerability allowing object injection has been identified in the AncoraThemes Umberto WordPress theme, affecting versions through 1.2.8. 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 a malicious actor to inject objects, potentially leading to arbitrary code execution, SQL injection, path traversal, or a denial-of-service condition, depending on the presence of a proper POP chain.

Remediation

Users of the AncoraThemes Umberto WordPress theme are advised to update to a version later than 1.2.8, as no official fix is currently available. However, Patchstack has issued a virtual patch that can be applied to mitigate this vulnerability.