CVE-2026-16229: itsourcecode courier management system Cross-site Scripting

Vulnerability summary

CVE-2026-16229 is a medium (CVSS 5.3) Cross-site Scripting vulnerability in itsourcecode courier management system. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 19-07-2026
   PublishedVulnerability first disclosed.
2. 21-07-2026
   Last modifiedVulnerability information updated.

Description

A flaw has been found in itsourcecode Courier Management System up to 1.0. Affected by this vulnerability is an unknown functionality of the file /index.php. Executing a manipulation of the argument page can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been published and may 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.