CVE-2026-3793
Published: 09 March 2026
Summary
CVE-2026-3793 is a medium-severity Injection (CWE-74) vulnerability in Ahsanriaz26Gmailcom Sales And Inventory System. Its CVSS base score is 6.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 1.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.
Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.
Validates query inputs to prevent SQL syntax or command manipulation.
Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
SQL injection in a remotely accessible web application (sales_invoice1.php via GET sellid) directly enables initial access by exploiting a public-facing or network-exposed app per T1190.
NVD Description
A vulnerability was determined in SourceCodester Sales and Inventory System 1.0. This vulnerability affects unknown code of the file sales_invoice1.php of the component GET Parameter Handler. This manipulation of the argument sellid causes sql injection. It is possible to initiate…
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the attack remotely. The exploit has been publicly disclosed and may be utilized.
Deeper analysisAI
CVE-2026-3793 is a SQL injection vulnerability in SourceCodester Sales and Inventory System 1.0, affecting unknown code in the file sales_invoice1.php within the GET Parameter Handler component. The issue arises from manipulation of the 'sellid' argument via GET requests, enabling injection of malicious SQL payloads. It carries a CVSS v3.1 base score of 6.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L) and is associated with CWEs 74 (Improper Neutralization of Special Elements used in an SQL Command) and 89 (SQL Injection). The vulnerability was published on 2026-03-09.
Attackers with low privileges (PR:L) can exploit this remotely over the network with low complexity and no user interaction required. Successful exploitation allows limited impacts on confidentiality, integrity, and availability, potentially enabling unauthorized data access, modification, or disruption within the affected application's database.
Advisories from VulDB (ctiid.349760, id.349760, submit.768048) document the vulnerability and note its remote exploitability, while a GitHub repository provides a public proof-of-concept at meifukun/Web-Security-PoCs/blob/main/Inventory-System/SQLi-SalesInvoice1-sellid.md. No patches or specific mitigations are detailed in the provided references; the SourceCodester website is referenced as the software source.
The exploit has been publicly disclosed, increasing the risk of real-world attacks against unpatched instances of the system.
Details
- CWE(s)