What is CVE-2026-15282?

CVE-2026-15282 is a critical-severity vulnerability in Tenteeglobal Instant Appointment, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-07-10.

How severe is CVE-2026-15282?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Tenteeglobal Instant Appointment

CVE-2026-15282

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…

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tenteeglobal Instant Appointment — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com

Frequently asked questions

What is CVE-2026-15282?: CVE-2026-15282 is a critical-severity vulnerability in Tenteeglobal Instant Appointment, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-07-10.
How severe is CVE-2026-15282?: Critical severity. CVSS v3 base score is 9.8 out of 10.