Authorization Flaw in PHPGurukul Online Course Registration System
CVE-2025-15406

5.3MEDIUM

Key Information:

Vendor

PHPgurukul
Status
Online Course Registration
Vendor
CVE Published:
1 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15406?

A vulnerability in the PHPGurukul Online Course Registration system up to version 3.1 has been identified, which allows an attacker to bypass authorization mechanisms. This flaw can potentially lead to unauthorized access, enabling remote exploitation by malicious actors. As the exploit has been publicly disclosed, organizations using this product are strongly advised to implement security measures to mitigate risks.

Affected Version(s)

Online Course Registration 3.0

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-2025-15406 - Proof of Concept

CVE-2025-15406
Created by rsecroot

References

https://vuldb.com/?id.339326
vdb-entry
https://vuldb.com/?ctiid.339326
signaturepermissions-required
https://vuldb.com/?submit.728354
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

hackerfactory (VulDB User)
JSON
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CVE-2025-15406 : Authorization Flaw in PHPGurukul Online Course Registration System