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CVE-2026-86666— aircheng-org iWebShop-5 pic.php uploadFile unrestricted upload

Quick assessment

Affected
aircheng-org iWebShop-5
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.

在 aircheng-org iWebShop-5（版本 ≤ 5.15）中已发现一个安全漏洞。受影响的是文件 中的 功能。该漏洞可导致无限制文件上传（即未对上传文件的类型、大小或来源进行充分校验），且攻击者可远程利用。相关利用工具/漏洞利用代码已公开发布，可能被用于实际攻击。项目方此前已通过问题报告得知该问题，但尚未作出回应。

CVSS 7.3 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 16

VendorProduct Version RangeStatus
aircheng-org iWebShop-5 5.0 affected
5.1 affected
5.2 affected
5.3 affected
5.4 affected
5.5 affected
5.6 affected
5.7 affected
… +8 more rows
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I. Basic Information for CVE-2026-86666

Vulnerability Information
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Vulnerability Title
aircheng-org iWebShop-5 pic.php uploadFile unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in aircheng-org iWebShop-5 up to 5.15. Impacted is the function upload_json/uploadFile of the file controllers/pic.php. The manipulation results in unrestricted upload. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
aircheng-org iWebShop-5 5.0 cpe:2.3:a:aircheng-org:iwebshop-5:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86666

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-86666

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Other References for CVE-2026-86666 (2)

Same Patch Batch · aircheng-org · 2026-09-08 · 6 CVEs total

CVE-2026-86665 7.3 HIGH aircheng-org iWebShop-5 update.php index authorization
CVE-2026-86669 7.3 HIGH aircheng-org iWebShop-5 systemseller.php login improper authentication
CVE-2026-86667 4.7 MEDIUM aircheng-org iWebShop-5 member.php member_list sql injection
CVE-2026-86668 4.3 MEDIUM aircheng-org iWebShop-5 pic.php uploadFile cross site scripting
CVE-2026-86670 3.7 LOW aircheng-org iWebShop-5 Authentication Storage admin.php weak password hash

IV. Related Vulnerabilities

Same product: iWebShop-5
Same vendor: aircheng-org
Same weakness: CWE-434

V. Comments for CVE-2026-86666

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