SQL Injection Vulnerability in SourceCodester Simple CRUD by SourceCodester
CVE-2026-124571

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Simple Crud Using PHP And FPDF
Vendor
CVE Published:
9 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-124571?

A vulnerability has been identified in SourceCodester Simple CRUD version 1.0, specifically within the app/register.php file. This security flaw allows remote attackers to perform SQL injection by manipulating the 'firstname' argument. Successful exploitation can result in unauthorized access to the database, potentially exposing sensitive data. The issue requires immediate attention, as existing exploits have been documented and made public, increasing the risk of automated attacks.

Affected Version(s)

Simple CRUD using PHP and FPDF 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-124571 - Proof of Concept

References

https://vuldb.com/vuln/432917
vdb-entrytechnical-description
https://vuldb.com/vuln/432917/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124571
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Smartiesxum (VulDB User)
.