---
id: CVE-2026-90525
title: A weakness has been identified in itsourcecode Sales and Inventory System 1.0
summary: >-
  A weakness has been identified in itsourcecode Sales and Inventory System 1.0.
  This affects an unknown function of the file /pages/cust_pos_trans.php.
  Executing a manipulation of the argument firstname can lead to sql injection.
  The atta…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-74
  - CWE-89
vendor: itsourcecode
product: Sales and Inventory System
affected:
  - sales_and_inventory_system 1.0
published: '2026-09-13'
updated: '2026-09-20'
sourceUpdated: '2026-09-20T01:16:32.547'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90525'
references:
  - url: 'https://github.com/abigmalon/submit_cve/issues/1'
    label: cna@vuldb.com
  - url: 'https://itsourcecode.com/'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90525'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/912526'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403115'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403115/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-20T00:12:38.451186Z'
epss: 0.00333
epssPercentile: 0.23769
ingestedAt: '2026-09-14T15:23:07.469Z'
---

## Overview

A weakness has been identified in itsourcecode Sales and Inventory System 1.0. This affects an unknown function of the file /pages/cust_pos_trans.php. Executing a manipulation of the argument firstname can lead to sql injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.