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.
History

Fri, 10 Jul 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenteeglobal
Tenteeglobal instant Appointment
Wordpress
Wordpress wordpress
Vendors & Products Tenteeglobal
Tenteeglobal instant Appointment
Wordpress
Wordpress wordpress

Fri, 10 Jul 2026 05:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Instant Appointment <= 1.2 - Unauthenticated Arbitrary File Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-07-10T04:31:20.078Z

Reserved: 2026-07-09T15:48:27.727Z

Link: CVE-2026-15282

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-10T09:55:02Z