Description
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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| SourceCodester | Inventory System | 1.0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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Xmyronn/CVE-2026-11518-XSS ★ 0 · May 23, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- VDB-369138 | SourceCodester Inventory System User Management users.php cross site scripting vdb-entry technical-description
- VDB-369138 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-11518 | CVE Analysis and Report third-party-advisory
- Submit #836289 | SourceCodester Inventory System using PHP and MySQL Source Code 1.0 Cross Site Scripting third-party-advisory
- https://github.com/Xmyronn/Stored-XSS-in-Inventory-System-using-PHP-and-MySQL.git exploit
- https://www.sourcecodester.com/ product