Cross-Site Scripting Vulnerability in SourceCodester Inventory System by SourceCodester
CVE-2026-11518

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Inventory System
Vendor
CVE Published:
8 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11518?

A vulnerability exists in the SourceCodester Inventory System 1.0, specifically within the user management component. An unknown function in the /users.php file can be manipulated through user input parameters such as fullname or username, allowing for the execution of malicious scripts in the user's browser. This cross-site scripting vulnerability can be exploited remotely, enabling attackers to potentially use publicly available exploits to perform unauthorized actions or steal sensitive data from users. Organizations using this software should take immediate steps to mitigate the risk by applying necessary updates or implementing security measures.

Affected Version(s)

Inventory 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-2026-11518 - Proof of Concept

References

https://vuldb.com/vuln/369138
vdb-entrytechnical-description
https://vuldb.com/vuln/369138/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11518
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

imad alvi (VulDB User)
.