CVE-2025-70091

PoC —

CVSS 3.1

6.5 medium

EPSS

<1%p6

Published

Feb 13, 2026 (Feb 13, 2026)

Modified

Jun 17, 2026

Description

A cross-site scripting (XSS) vulnerability in the Customers function of OpenSourcePOS v3.4.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Phone Number parameter.

Vendors: opensourcepos
Products: open source point of sale
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.2%)

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