CVE-2025-66845

Medium · 6.1

CVSS

6.1

EPSS

0.2%

Published

Dec 23, 2025

CISA due date

—

The record

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in TechStore version 1.0. The user_name endpoint reflects the id query parameter directly into the HTML response without output encoding or sanitization, allowing execution of arbitrary JavaScript code in a victim’s browser.

Affected packages

Ecosystem	Package	Introduced	Fixed