Cross-Site Scripting Flaw in SourceCodester Queue Management System
CVE-2026-82554

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Queue Management System
Vendor
CVE Published:
30 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82554?

A security flaw exists in the SourceCodester Queue Management System 1.0, specifically within the /api/add_customer.php file. This vulnerability allows attackers to manipulate the 'Name' argument, facilitating cross-site scripting (XSS) attacks. The flaw can be exploited remotely, putting users at risk for executing malicious scripts within their web browsers. Effective mitigation strategies are necessary to safeguard against this potential threat.

Affected Version(s)

Queue Management System 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-2026-82554 - Proof of Concept

References

https://vuldb.com/vuln/397070
vdb-entrytechnical-description
https://vuldb.com/vuln/397070/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82554
third-party-advisory

CVSS V4

Score:
5.3
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

GeekerA (VulDB User)
.