CVE-2025-66921

high

Description

A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the "name" parameter.

References

https://github.com/opensourcepos/opensourcepos

https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66921/readme.md

Details

Source: Mitre, NVD

Published: 2025-12-17

Updated: 2025-12-18

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

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