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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00744.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
tenteeglobal Instant Appointment unaffected
Version Status Constraints
0 affected ≤ 1.2

No data.

No data.

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Vendors Products
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Instant Appointment Subscribe
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Project Subscriptions

Vendors Products
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Instant Appointment Subscribe
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/ajax/ajax_services.php#L3 cve-icon
https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/front-end/ajax/login_ajax.php#L584 cve-icon
https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/front-end/ajax/login_ajax.php#L598 cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/097b1530-64fa-45b2-85f3-c6a2311405b5?source=cve cve-icon
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'}

Projects

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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: 2026-07-10T12:45:04Z

Weaknesses