CVE-2025-66923

HIGH EPSS 36.9%

Published Dec 17, 20256mo ago · Modified Jun 17, 20262w ago

7.2 CVSS 3.1

High

Published Dec 17, 2025 6mo ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

7.2

Exploitability

1.2

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

36.9% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation

CWE-79 Cross-site Scripting Injection

Affected Products 1

Vendor	Product	Version	Range
opensourcepos	open_source_point_of_sale	3.4.1	any

References 2

github.com https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.md

ExploitThird Party Advisory
github.com https://github.com/opensourcepos/opensourcepos

Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.