CVE-2026-86291: SQL Injection in itsourcecode Sales and Inventory System

This vulnerability affects itsourcecode Sales and Inventory System version 1.0. An attacker can remotely exploit an SQL injection flaw by manipulating the ID parameter in the /pages/us_edit1.php file. This allows unauthorized SQL commands to be executed, potentially compromising the database. The CVSS 4.0 score is 5.3 (medium severity), reflecting network attack vector, low complexity, no user interaction, and limited impact on confidentiality, integrity, and availability. The vulnerability is publicly disclosed but no known active exploitation has been reported. No patch or vendor advisory is currently available.

Successful exploitation could allow an attacker to execute arbitrary SQL commands on the backend database, potentially leading to unauthorized data access or modification. The impact is rated medium severity based on the CVSS score of 5.3. There is no evidence of active exploitation in the wild at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the vulnerable endpoint and validate or sanitize input parameters to mitigate SQL injection risk.