CVE-2026-15282 — Instant Appointment <= 1.2 - Unauthenticated Arbitrary File Upload
The Instant Appointment plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'insapp_upload_image_as_attachment' function in a…
Published: 2026-07-10 · CVSS: 9.8 · CVSS 3.1
The Instant Appointment plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'insapp_upload_image_as_attachment' function in all versions up to, and including, 1.2. 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