CVE-2025-66921

7.2 HIGH

Published: December 17, 2025 Modified: December 18, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: cve@mitre.org

Exploit Third Party Advisory

https://github.com/opensourcepos/opensourcepos

Source: cve@mitre.org

Product

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

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Exploit Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.2 / 10.0

EPSS (Exploit Probability)

0.1%

35th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-20 CWE-79

Affected Vendors

opensourcepos

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