CVE-2025-66845

Name: CVE-2025-66845
Creator: NVD / NIST
Published: 2025-12-23T14:16:40.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2025-66845 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.18%

7.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Nooncarlett	Techstore	1.0

References

https://gist.github.com/MuratSevri/d78efed86ca5f82e8a6683ace5061319Third Party Advisory

Timeline

Published: Dec 23, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66845?

How severe is CVE-2025-66845?

CVE-2025-66845 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66845?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66845?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST