SQL Injection Vulnerability in DefaultFuction Jeson CRM System
CVE-2026-3616

5.3MEDIUM

Key Information:

Vendor

Defaultfuction

Status
Jeson Customer Relationship Management System
Vendor
CVE Published:
6 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3616?

A vulnerability exists in the DefaultFuction Jeson Customer Relationship Management System version 1.0.0, specifically within the /modules/customers/edit.php file. Manipulating the argument ID allows for SQL injection, which can potentially be exploited remotely. This vulnerability is now public and could be targeted by attackers. It is strongly recommended to apply the provided patch (commit f0e991870e9d33701cca3a1d0fd4eec135af01a6) to mitigate this issue.

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Affected Version(s)

Jeson Customer Relationship Management System 1.0.0

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-2026-3616 - Proof of Concept

References

https://vuldb.com/?id.349234
vdb-entrytechnical-description
https://vuldb.com/?ctiid.349234
signaturepermissions-required
https://vuldb.com/?submit.765096
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

Practice (VulDB User)
JSON
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