NotFound Smallerik File Browser Unrestricted File Upload Vulnerability Allowing Web Shell Upload

A vulnerability allowing unrestricted file upload has been identified in the NotFound Smallerik File Browser plugin for WordPress, affecting versions through 1.1. This vulnerability could be exploited to upload a web shell to the server, potentially leading to unauthorized access or control over the website.

Impact

Exploitation of this vulnerability could allow a malicious actor to upload any type of file, including web shells, which could be executed to gain further access to the website.

Remediation

Users of the NotFound Smallerik File Browser plugin for WordPress are advised to update to a version later than 1.1, as no official fix is currently available. However, Patchstack has issued a virtual patch that can be applied to mitigate this vulnerability.