CVE-2025-66923

Name: CVE-2025-66923
Creator: NVD / NIST
Published: 2025-12-17T18:15:48.983+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2025-66923 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.46%

36.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Opensourcepos	Open Source Point Of Sale	3.4.1

References

https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.mdExploit, Third Party Advisory
https://github.com/opensourcepos/opensourceposProduct
https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.mdExploit, Third Party Advisory

Timeline

Published: Dec 17, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66923?

How severe is CVE-2025-66923?

CVE-2025-66923 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66923?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66923?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST