CVE-2025-66845
A reflected Cross-Site Scripting (XSS) vulnerability has been identified in TechStore version 1.0...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-66845- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-204802
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.
- Record
EUVD-2025-204802- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4p2q-qc9w-jq74
A reflected Cross-Site Scripting (XSS) vulnerability has been identified in TechStore version 1.0...
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.
- Record
GHSA-4p2q-qc9w-jq74- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-66845- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-04
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-66845 is a medium vulnerability (CVSS 6.1) in Nooncarlett Techstore, published December 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.