PT-2026-27524 · Sourcecodester · Sourcecodester Simple Inventory System

Fukun · CVE-2026-4781 · Published 2026-03-24 · Updated 2026-04-15

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SourceCodester Sales and Inventory System version 1.0

Description A flaw exists in SourceCodester Sales and Inventory System that allows for SQL injection. The issue is located within the update purchase.php file, specifically through manipulation of the sid argument via an HTTP GET request. This allows for remote execution of the attack. The exploit has been published.

Recommendations Apply updates to address the SQL injection issue in the update purchase.php file. As a temporary workaround, restrict access to the update purchase.php file. Avoid using the sid parameter in the affected HTTP GET request until the issue is resolved.

Exploit

Fix

Special Elements Injection

SQL injection

Weakness Enumeration

CWE-74

CWE-89

Related Identifiers

CVE-2026-4781

Affected Products

Sourcecodester Simple Inventory System

References · 8

• 🔥 https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/SQLi-UpdatePurchase-sid.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4781 · Security Note
• https://vuldb.com/?id.352799 · Note
• https://sourcecodester.com · Note
• https://twitter.com/CVEarity/status/2044462259116904881 · Twitter Post
• https://vuldb.com/?submit.775174 · Note
• https://twitter.com/cyberbivash/status/2036626840354169221 · Twitter Post
• https://vuldb.com/?ctiid.352799 · Note