PT-2025-51848 · Unknown · Open Source Point Of Sale

Omkaryepre · Published 2025-12-17 · Updated 2025-12-17 · CVE-2025-66923

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Open Source Point of Sale version 3.4.1

Description A Cross-site scripting (XSS) issue exists in the Create/Update Customer(s) functionality. This allows remote attackers to inject arbitrary web script or HTML through the phone number parameter.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, sanitize the phone number parameter before processing it.

Exploit

Fix

XSS

RCE

Weakness Enumeration

CWE-79

CWE-20

Related Identifiers

CVE-2025-66923

Affected Products

Open Source Point Of Sale

References · 5

• 🔥 https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-66923 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66923 · Security Note
• https://github.com/opensourcepos/opensourcepos · Note
• https://twitter.com/CVEnew/status/2001350849004737014 · Twitter Post