Vulnerability · Published Sep 8, 2026 · Assigned by VulDB

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

High 7.3

In plain English

A high-severity unrestricted file upload in iWebShop-5 from aircheng-org. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.5%top 54.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
aircheng-org	iWebShop-5	5.05.15.25.35.45.55.65.7

Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-399757 | aircheng-org iWebShop-5 pic.php uploadFile unrestricted upload vdb-entry, technical-description
VDB-399757 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-86666 | CVE Analysis and Report third-party-advisory
Submit #908924 | aircheng-org iWebShop-5 eb7f7eb1c6ebf39a54f943d8e0aefe96a3b8ff54 Unrestricted Upload third-party-advisory
https://github.com/aircheng-org/iWebShop-5/issues/3 exploit, issue-tracking
https://github.com/aircheng-org/iWebShop-5/ product