CVE-2025-23953: 
WordPress vulnerability analysis and mitigation

An Unrestricted Upload of File with Dangerous Type vulnerability was discovered in Innovative Solutions user files plugin, identified as CVE-2025-23953. The vulnerability affects user files versions through 2.4.2 and was initially reported on December 30, 2024, with public disclosure occurring on January 16, 2025. This security flaw allows attackers to upload a Web Shell to a Web Server (Patchstack).

The vulnerability has been classified as an Arbitrary File Upload issue and received a Critical CVSS score of 10.0, indicating the highest severity level. The security flaw allows unauthenticated users to perform arbitrary file uploads to the affected web server (Patchstack).

This vulnerability is considered highly dangerous and is expected to become mass exploited. The flaw enables malicious actors to upload any type of file to the affected website, including backdoors that can be executed to gain further access to the website's systems (Patchstack).

Currently, no official fix is available for this vulnerability. However, Patchstack has issued a virtual patch to mitigate the issue by blocking potential attacks until an official fix becomes available. Users are advised to implement the virtual patch immediately to protect their systems (Patchstack).