CVE-2025-66923
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductOpensourcepos Open Source Point Of Sale
PublishedDec 17, 2025
First seenDec 17, 2025
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| opensourcepos open_source_point_of_sale | 3.4.1 | — |
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