What is CVE-2026-39380?

CVE-2026-39380 is a medium-severity vulnerability in Opensourcepos, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-07.

How severe is CVE-2026-39380?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Opensourcepos

CVE-2026-39380

Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework. Prior to 3.4.3, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Stock Locations configuration feature. The appli…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Opensourcepos — versions < 3.4.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/opensourcepos/opensourcepos/security/advisories/GHSA-7hg5-68rx-xpmg (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-39380?: CVE-2026-39380 is a medium-severity vulnerability in Opensourcepos, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-07.
How severe is CVE-2026-39380?: Medium severity. CVSS v3 base score is 5.4 out of 10.