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CVE-2026-4830

MEDIUM CVSS 4.0: 6.3 EPSS 0.05%
Updated Mar 30, 2026
PHP
Parameter Value
CVSS 6.3 (MEDIUM)
Type CWE-284 (Improper Access Control), CWE-434 (Unrestricted File Upload)
Vendor PHP
Public PoC No

A vulnerability was identified in kalcaddle kodbox 1.64. This issue affects the function Add of the file app/controller/explorer/userShare.class.php of the component Public Share Handler. Such manipulation leads to unrestricted upload.

The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult.

The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0