CVE-2026-30520 — MEDIUM (5.4)

Vulnerability Description

A Blind SQL Injection vulnerability exists in SourceCodester Loan Management System v1.0. The vulnerability is located in the ajax.php file (specifically the save_loan action). The application fails to properly sanitize user input supplied to the "borrower_id" parameter in a POST request, allowing an authenticated attacker to inject malicious SQL commands.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Oretnom23	Loan Management System	1.0

Related Weaknesses (CWE)

CWE-89

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/Loan-Management-System/SExploitThird Party Advisory

FAQ

What is CVE-2026-30520?

CVE-2026-30520 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A Blind SQL Injection vulnerability exists in SourceCodester Loan Management System v1.0. The vulnerability is located in the ajax.php file (specifically the save_loan action). The application fails t...

How severe is CVE-2026-30520?

CVE-2026-30520 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-30520?

Check the references section above for vendor advisories and patch information. Affected products include: Oretnom23 Loan Management System.