CVE-2026-30520

Severity CVSS v4.0:

Pending analysis

Type:

CWE-89 SQL Injection

Publication date:

31/03/2026

Last modified:

01/04/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

4.80

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://github.com/meifukun/Web-Security-PoCs/blob/main/Loan-Management-System/SQLi-SaveLoan-borrowerId.md