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 5.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 28.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SC-7 (Boundary Protection).
Deeper analysis
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.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-10283
Vulnerability details
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.
- CWE(s)
Related Threats
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.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly requires validation of inputs such as the sellid GET parameter to reject malformed SQL syntax before it reaches the database handler in sales_invoice1.php.
Boundary protection mechanisms (e.g., WAF rules or input filters at the web server) can inspect and block SQL injection payloads arriving via remote GET requests to the vulnerable endpoint.
System monitoring can detect anomalous SQL syntax or database error patterns generated by exploitation attempts against the sellid parameter.