What is CVE-2025-66845?

CVE-2025-66845 is a medium-severity vulnerability in Nooncarlett Techstore, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-23.

How severe is CVE-2025-66845?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Nooncarlett Techstore

CVE-2025-66845

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Nooncarlett Techstore — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-66845?: CVE-2025-66845 is a medium-severity vulnerability in Nooncarlett Techstore, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-23.
How severe is CVE-2025-66845?: Medium severity. CVSS v3 base score is 6.1 out of 10.