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CVE-2025-66923

7.2 · HIGH

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 param…

Published Dec 17, 2025CWE-20EPSS 0.55%

Overview

CVE-2025-66923 is a high-severity vulnerability. It was published on December 17, 2025 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.mdGitHubgithub.com/opensourcepos/opensourceposGitHubgithub.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.md

How CyberStrike helps

Frequently asked questions

What is CVE-2025-66923?

CVE-2025-66923 is a high-severity vulnerability. It was published on December 17, 2025 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2025-66923?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-66923?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-66923?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-66923 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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