Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2025-66923

Good to know:

icon

Date: December 16, 2025

A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the phone_number parameter.

Severity Score

Related Resources (4)

https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.md
https://nvd.nist.gov/vuln/detail/CVE-2025-66923
https://github.com/opensourcepos/opensourcepos
https://www.mend.io/vulnerability-database/CVE-2025-66923

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Improper Input Validation

CWE-20

Top Fix

icon

Upgrade Version

Upgrade to version https://github.com/opensourcepos/opensourcepos.git - 3.4.2

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

Do you need more information?

Contact Us