EUVD-2026-16509CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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Description
Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIgniter framework. Prior to version 3.4.2, an Insecure Direct Object Reference (IDOR) vulnerability allows an authenticated low-privileged user to access the password change functionality of other users, including administrators, by manipulating the `employee_id` parameter. The application does not verify object ownership or enforce authorization checks. Version 3.4.2 adds object-level authorization checks to validate that the current user owns the employee_id being accessed.
Analysis
OpenSourcePOS versions prior to 3.4.2 contain an Insecure Direct Object Reference (IDOR) vulnerability allowing authenticated low-privileged users to modify password change settings for arbitrary users, including administrators, by manipulating the employee_id parameter without authorization checks. The vulnerability affects the web-based PHP/CodeIgniter point-of-sale application and enables account takeover of higher-privileged accounts. …
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Remediation
Within 30 days: Identify affected systems running PHP using CodeIgniter framework. and apply vendor patches as part of regular patch cycle. …
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