WordPress WebStack plugin <= 1.2024 - Unauthenticated Arbitrary File Upload vulnerability

Unauthenticated Arbitrary File Upload vulnerability discovered by Chiao-Lin Yu Steven Meow - Trend Micro in WordPress Theme WebStack versions = 1.2024...

CVE-2026-1555

The WebStack theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ioimgupload function in all versions up to, and including, 1.2024. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which...

PT-2026-32996

Name of the Vulnerable Software and Affected Versions WebStack versions prior to 1.2025 Description The WebStack theme for WordPress allows unauthenticated attackers to upload arbitrary files to the server. This is caused by a lack of file type validation within the io img upload function, which...