What is CVE-2025-66921?

CVE-2025-66921 is a high-severity vulnerability in Opensourcepos Open_source_point_of_sale, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2025-12-17.

How severe is CVE-2025-66921?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Opensourcepos Open_source_point_of_sale

CVE-2025-66921

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.005 (36.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Opensourcepos Open_source_point_of_sale — versions 3.4.1
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-66921?: CVE-2025-66921 is a high-severity vulnerability in Opensourcepos Open_source_point_of_sale, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2025-12-17.
How severe is CVE-2025-66921?: High severity. CVSS v3 base score is 7.2 out of 10.