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Threat Entry
Updated 2026-04-15
CVE-2026-1555 - Webstack Theme
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.
THEME
Webstack
CVE-2026-1555
Risk Score