Description
There is an issue on the /PSP/appNET/Store/CartV12.aspx/GetUnitPrice endpoint in edu Business Solutions Print Shop Pro WebDesk version 18.34 (fixed in 19.69) 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 (1)
Core 1
Core References
Exploit, Third Party Advisory
https://github.com/chndlrx/vulnerability-disclosures/tree/main/CVE-2025-61546
Scores
CVSS v3
9.1
EPSS
0.0002
EPSS Percentile
6.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-20
Status
published
Products (1)
edubusinesssolutions/print_shop_pro_webdesk
18.34
Published
Jan 08, 2026
Tracked Since
Feb 18, 2026