There is an issue on the /PSP/appNET/Store/CartV12.aspx...
Critical severity
Unreviewed
Published
Jan 8, 2026
to the GitHub Advisory Database
•
Updated Jan 13, 2026
Description
Published by the National Vulnerability Database
Jan 8, 2026
Published to the GitHub Advisory Database
Jan 8, 2026
Last updated
Jan 13, 2026
There is an issue on the /PSP/appNET/Store/CartV12.aspx/GetUnitPrice endpoint in edu Business Solutions Print Shop Pro WebDesk version 18.34 that enables remote attacker to create financial discrepancies by purchasing items with a negative quantity. This vulnerability is possible due to reliance on client-side input validation controls.
References