SourceCodester Inventory System User Management users.php cross site scripting
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 was identified in SourceCodester Inventory System 1.0. Affected is an unknown function of the file /users.php of the component User Management Page. The manipulation of the argument fullname/username leads to cross site scripting. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

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)
.