CVE-2025-68658: Open Source Point of Sale (opensourcepos) Stored XSS in Configuration (Information) – Company Name field

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-13 · updated 2026-06-17
Weakness: CWE-79

Description

Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIgniter framework. opensourcepos 3.4.0 and 3.4.1 has a stored XSS vulnerability exists in the Configuration (Information) functionality. An authenticated user with the permission “Configuration: Change OSPOS's Configuration” can inject a malicious JavaScript payload into the Company Name field when updating Information in Configuration. The malicious payload is stored and later triggered when a user accesses /sales/complete. First select Sales, and choose New Item to create an item, then click on Completed . Due to insufficient input validation and output encoding, the payload is rendered and executed in the user’s browser, resulting in a stored XSS vulnerability. This vulnerability is fixed in 3.4.2.

Affected products

opensourcepos Open Source Point of Sale: from 3.4.0 before 3.4.2 — fixed in 3.4.2

How to fix

Upgrade to a fixed version: opensourcepos Open Source Point of Sale 3.4.2. Check the vendor advisory for mitigations.

References

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