CRITICAL
Owen
CVE published 2026-04-15
CVE-2026-1555
The WebStack theme for WordPress has a critical vulnerability allowing unauthenticated attackers to upload arbitrary files due to missing file type validation. This could enable remote code execution on affected sites. The vulnerability is caused by the io_img_upload() function not properly validating file types, which can lead to potential remote code execution. WordPress administrators and security team [truncated]