SQL Injection Vulnerability in PHPGurukul Online Course Registration 3.1
CVE-2026-5814

6.9MEDIUM

Key Information:

Vendor

PHPgurukul
Status
Online Course Registration
Vendor
CVE Published:
8 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5814?

A security issue has been found within PHPGurukul's Online Course Registration 3.1, specifically in the /admin/check_availability.php file. The vulnerability arises from improper handling of the 'regno' argument, which can lead to SQL injection. This type of attack can be executed remotely, allowing an attacker to manipulate database queries, potentially exposing sensitive information or compromising the integrity of the database. Publicly disclosed exploits mean that systems running this version are at risk and should be updated or secured immediately.

Affected Version(s)

Online Course Registration 3.1

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-2026-5814 - Proof of Concept

References

https://vuldb.com/vuln/356262
vdb-entrytechnical-description
https://vuldb.com/vuln/356262/cti
signaturepermissions-required
https://vuldb.com/submit/787698
third-party-advisory

CVSS V4

Score:
6.9
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

.