Cross Site Scripting Flaw in SourceCodester SUP Online Shopping
CVE-2026-9377

4.8MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Sup Online Shopping
Vendor
CVE Published:
24 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9377?

A cross site scripting vulnerability exists in the SourceCodester SUP Online Shopping platform, specifically in the file /admin/productedit.php. This issue arises from a flaw in handling the 'productName' parameter, allowing remote attackers to execute malicious scripts in the context of an affected user's session. The potential for exploitation is significant, given that public exploits for this vulnerability are available online, making it crucial for users to take immediate protective measures.

Affected Version(s)

SUP Online Shopping 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9377 - Proof of Concept

References

https://vuldb.com/vuln/365340
vdb-entrytechnical-description
https://vuldb.com/vuln/365340/cti
signaturepermissions-required
https://vuldb.com/submit/813270
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

n0name (VulDB User)
.