CVE-2026-15282Network attack vector

Unauthenticated file upload via missing type validation

Published Jul 10, 2026 · Updated Jul 10, 2026

Arbitrary file upload in TENTEE GLOBAL SARL Instant Appointment 1.2 and earlier allows remote attackers to place files on WordPress servers. The insapp_upload_image_as_attachment function accepts uploaded content without validating its file type before storing it as an attachment. No authentication or user interaction is required; code execution depends on the server treating an uploaded file as executable content.

CVSS severity9.8
Critical
EPSS probability1.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file upload in TENTEE GLOBAL SARL Instant Appointment 1.2 and earlier allows remote attackers to place files on WordPress servers. The insapp_upload_image_as_attachment function accepts uploaded content without validating its file type before storing it as an attachment. No authentication or user interaction is required; code execution depends on the server treating an uploaded file as executable content.

The record

CVE
CVE-2026-15282
Published
Jul 10, 2026
Updated
Jul 10, 2026
Vendor
TENTEE GLOBAL SARL
Product
Instant Appointment
Classifications
CWE-434, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

TENTEE GLOBAL SARL · Instant Appointmentversion=0 <=1.2

Published CVSS scores

9.8WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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