CVE-2026-86666: Unrestricted Upload in aircheng-org iWebShop-5
CVE-2026-86666 is a medium severity vulnerability in aircheng-org iWebShop-5 up to version 5.15. It involves an unrestricted file upload flaw in the upload_json/uploadFile function within controllers/pic.php. The vulnerability allows remote attackers to upload files without restriction. The exploit code has been publicly released. The vendor has been informed but has not yet responded or issued a fix.
AI Analysis
Technical Summary
This vulnerability affects aircheng-org iWebShop-5 versions 5.0 through 5.15. The flaw exists in the upload_json/uploadFile function of controllers/pic.php, which improperly restricts file uploads, enabling attackers to upload arbitrary files remotely. The vulnerability has a CVSS 4.0 base score of 6.9, indicating medium severity. Public exploit code is available, increasing the risk of exploitation. The vendor has not provided a patch or official remediation at this time.
Potential Impact
Successful exploitation allows remote attackers to upload arbitrary files to the affected system, potentially leading to further compromise depending on the nature of the uploaded files. The vulnerability's medium severity reflects the potential for unauthorized file uploads without authentication or user interaction. No known active exploitation in the wild has been reported yet.
Mitigation Recommendations
No official fix or patch is currently available from the vendor. Since the vendor has not responded to the issue report, users should apply compensating controls such as restricting access to the upload functionality, implementing web application firewalls to detect and block malicious uploads, or disabling the vulnerable upload feature if possible. Monitor vendor channels for updates or patches addressing this vulnerability.
CVE-2026-86666: Unrestricted Upload in aircheng-org iWebShop-5
Description
CVE-2026-86666 is a medium severity vulnerability in aircheng-org iWebShop-5 up to version 5.15. It involves an unrestricted file upload flaw in the upload_json/uploadFile function within controllers/pic.php. The vulnerability allows remote attackers to upload files without restriction. The exploit code has been publicly released. The vendor has been informed but has not yet responded or issued a fix.
CVSS v4.0
Score 6.9medium
Affected software
pkg:github/aircheng-org/iWebShop-5cpe:2.3:a:aircheng-org:iwebshop-5:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects aircheng-org iWebShop-5 versions 5.0 through 5.15. The flaw exists in the upload_json/uploadFile function of controllers/pic.php, which improperly restricts file uploads, enabling attackers to upload arbitrary files remotely. The vulnerability has a CVSS 4.0 base score of 6.9, indicating medium severity. Public exploit code is available, increasing the risk of exploitation. The vendor has not provided a patch or official remediation at this time.
Potential Impact
Successful exploitation allows remote attackers to upload arbitrary files to the affected system, potentially leading to further compromise depending on the nature of the uploaded files. The vulnerability's medium severity reflects the potential for unauthorized file uploads without authentication or user interaction. No known active exploitation in the wild has been reported yet.
Mitigation Recommendations
No official fix or patch is currently available from the vendor. Since the vendor has not responded to the issue report, users should apply compensating controls such as restricting access to the upload functionality, implementing web application firewalls to detect and block malicious uploads, or disabling the vulnerable upload feature if possible. Monitor vendor channels for updates or patches addressing this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-08T09:30:36.740Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa032dbacd9273b49e3e66c
Added to database: 09/08/2026, 16:07:55 UTC
Last enriched: 09/08/2026, 16:22:39 UTC
Last updated: 09/08/2026, 18:27:27 UTC
Views: 8
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