CVE-2025-26927: 
WordPress vulnerability analysis and mitigation

The AI Hub WordPress plugin contains an Unrestricted Upload of File with Dangerous Type vulnerability affecting versions up to and including 1.3.3. The vulnerability was discovered by researcher 'luc' and was publicly disclosed on April 10, 2025. This security flaw allows unauthenticated attackers to upload arbitrary files, including web shells, to affected web servers (Patchstack, WPScan).

The vulnerability is classified as CWE-434 (Unrestricted Upload of File with Dangerous Type) and has received a CVSS v3.1 base score of 10.0 (Critical) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. The security flaw stems from missing file type validation in the plugin's file upload functionality, which allows for unrestricted file uploads (Patchstack).

The vulnerability enables attackers to upload malicious files, including web shells, to the affected server. This could lead to remote code execution, allowing attackers to gain unauthorized access to the website and potentially compromise the entire system (WPScan, Patchstack).

Currently, there is no official fix available for this vulnerability. Patchstack has issued a virtual patch to mitigate the issue by blocking potential attacks until an official fix becomes available. Website administrators are advised to implement the virtual patch immediately or consider removing the plugin until a security update is released (Patchstack).