CVE-2026-1555 — WebStack <= 1.2024 - Unauthenticated Arbitrary File Upload
The WebStack theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the io_img_upload() function in all versions up to, and including…
Published: 2026-04-15 · CVSS: 9.8 · CVSS 3.1
The WebStack theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the io_img_upload() 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 may make remote code execution possible.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7