PatchSiren

Owen CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

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]