SQL Injection Vulnerability in PHPGurukul News Portal Project 4.1
CVE-2026-5840

5.1MEDIUM

Key Information:

Vendor

PHPgurukul
Status
News Portal Project
Vendor
CVE Published:
9 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5840?

A security flaw in the PHPGurukul News Portal Project 4.1 affects the functionality within the /admin/check_availability.php file. This vulnerability enables an attacker to conduct a SQL injection by manipulating the 'Username' argument, which can lead to unauthorized database access. Due to the public release of the exploit, this poses a significant risk for users and administrators who have yet to apply mitigations.

Affected Version(s)

News Portal Project 4.1

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-2026-5840 - Proof of Concept

References

https://vuldb.com/vuln/356296
vdb-entrytechnical-description
https://vuldb.com/vuln/356296/cti
signaturepermissions-required
https://vuldb.com/submit/789913
third-party-advisory

CVSS V4

Score:
5.1
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

.