What’s Vulnerable › Vulnerabilities

CVE-2025-66921

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-17 · updated 2026-10-13
• Weakness: CWE-20

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.

Affected products

• opensourcepos Open Source Point of Sale: 3.4.1

References

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

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