CVE-2025-66923
Cross-site Scripting in Open Source POS v3.4.1 Phone Parameter
Publication date: 2025-12-17
Last updated on: 2025-12-18
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| opensourcepos | open_source_point_of_sale | 3.4.1 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Cross-site scripting (XSS) issue in the Create/Update Customer(s) functionality of Open Source Point of Sale version 3.4.1. It allows remote attackers to inject arbitrary web scripts or HTML code through the phone_number parameter, which can then be executed in the context of the affected application.
How can this vulnerability impact me? :
The vulnerability can allow attackers to execute malicious scripts in the context of the application, potentially leading to theft of user credentials, session hijacking, defacement of the website, or distribution of malware to users interacting with the affected functionality.