CVE-2025-66923: A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source Point of Sale v3.4.1 allows…
CVE-2025-66923 · Severity: high · CVSS 7.2 · Published 2025-12-17
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-66923 being exploited in the wild.
How severe is CVE-2025-66923?
High severity, with a CVSS score of 7.2, published 17 December 2025.
Which products and versions are affected?
Opensourcepos Open Source Point of Sale. The advisory does not name versions.
Is there a fix for CVE-2025-66923?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-66923?
Check whether you run Opensourcepos Open Source Point of Sale. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.