Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-15282— Instant Appointment <= 1.2 - Unauthenticated Arbitrary File Upload

Quick assessment

Affected
tenteeglobal Instant Appointment
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Instant Appointment是WordPress基金会开源的一款在线预约管理插件。 WordPress Instant Appointment 1.2及之前版本存在任意文件上传漏洞，该漏洞源于在'insapp_upload_image_as_attachment'函数中缺少文件类型验证，可能导致未经身份验证的攻击者上传任意文件，从而可能实现远程代码执行。

CVSS 9.8 · Critical EPSS 1.08% · P64

Affected Version Matrix 1

VendorProduct Version RangeStatus
tenteeglobal Instant Appointment ≤ 1.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-15282

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Instant Appointment <= 1.2 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Instant Appointment 任意文件上传漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Instant Appointment是WordPress基金会开源的一款在线预约管理插件。 WordPress Instant Appointment 1.2及之前版本存在任意文件上传漏洞，该漏洞源于在'insapp_upload_image_as_attachment'函数中缺少文件类型验证，可能导致未经身份验证的攻击者上传任意文件，从而可能实现远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
tenteeglobal Instant Appointment 0 ~ 1.2 -

II. Public POCs for CVE-2026-15282

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-15282

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-15282 (1)

Vendor Advisories for CVE-2026-15282 (1)

Other References for CVE-2026-15282 (1)

IV. Related Vulnerabilities

Same product: Instant Appointment
Same vendor: tenteeglobal
Same weakness: CWE-434

V. Comments for CVE-2026-15282

No comments yet

Leave a comment