CVE-2026-15282
critical · 9.8The 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.
9.8
CVSS
1.1%
EPSS (exploit prob.)
64th
EPSS percentile
2026-07-10
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-434
References
- https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/ajax/ajax_services.php#L3
- https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/front-end/ajax/login_ajax.php#L584
- https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/front-end/ajax/login_ajax.php#L598
- https://www.wordfence.com/threat-intel/vulnerabilities/id/097b1530-64fa-45b2-85f3-c6a2311405b5?source=cve
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-15282