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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.

aircheng iWebShop是aircheng个人开发者的一款电商系统软件。 aircheng iWebShop 5.15及之前版本存在安全漏洞，该漏洞源于controllers/pic.php文件中的upload_json/uploadFile函数存在无限制上传漏洞，可能允许远程攻击者上传任意文件。

CVSS 7.3 · High EPSS 0.54% · P45

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
Vulnerability Title
aircheng iWebShop 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
aircheng iWebShop是aircheng个人开发者的一款电商系统软件。 aircheng iWebShop 5.15及之前版本存在安全漏洞，该漏洞源于controllers/pic.php文件中的upload_json/uploadFile函数存在无限制上传漏洞，可能允许远程攻击者上传任意文件。
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
aircheng-org iWebShop-5 5.0 cpe:2.3:a:aircheng-org:iwebshop-5:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86666

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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