Vulnerability · Published Jun 8, 2026 · Assigned by VulDB
CVE-2026-11518SourceCodester Inventory System User Management users.php cross site scripting
Medium 4.3
In plain English
A medium-severity cross-site scripting in Inventory System from SourceCodester. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SourceCodester | Inventory System | 1.0 |
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
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