CVE-2025-66921

HIGH EPSS 36.9%
Published Dec 17, 20256mo ago · Modified Jun 17, 20262w ago
7.2 CVSS 3.1
High
Find Similar
Published Dec 17, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.2
Exploitability
1.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
36.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation
CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
opensourceposopen_source_point_of_sale3.4.1any

References 2

  • github.com https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66921/readme.md
    ExploitThird Party Advisory
  • github.com https://github.com/opensourcepos/opensourcepos
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.