Authorization Flaw in PHPGurukul Small CRM 4.0
CVE-2025-15390

5.3MEDIUM

Key Information:

Vendor

PHPgurukul
Status
Small Crm
Vendor
CVE Published:
31 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15390?

A security vulnerability has been identified in PHPGurukul Small CRM version 4.0, specifically within the /admin/edit-user.php file. This issue involves a lack of proper authorization checks, allowing unauthorized users to manipulate the system remotely. The flaw has been made publicly known, and potential attackers may exploit it to gain unauthorized access to user functionalities.

Affected Version(s)

Small CRM 4.0

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-2025-15390 - Proof of Concept

References

https://vuldb.com/?id.339151
vdb-entry
https://vuldb.com/?ctiid.339151
signaturepermissions-required
https://vuldb.com/?submit.727430
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-2025-15390 : Authorization Flaw in PHPGurukul Small CRM 4.0