CVE-2026-11518: sourcecodester inventory system Cross-site Scripting

Vulnerability summary

CVE-2026-11518 is a medium (CVSS 5.3) Cross-site Scripting vulnerability in sourcecodester inventory system. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 08-06-2026
   PublishedVulnerability first disclosed.
2. 08-06-2026
   Last modifiedVulnerability information updated.

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.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.