CVE-2026-9421

Deferred Deferred - Pending Action

Unrestricted File Upload in KLiK SocialMediaWebsite

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

Description

A vulnerability was determined in KLiK SocialMediaWebsite 1.0. This vulnerability affects the function uniqid of the file upload.inc.php of the component File Handler. This manipulation causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-05-25

Last Modified

2026-05-25

Generated

2026-07-06

AI Q&A

2026-05-26

EPSS Evaluated

2026-07-04

NVD

CVE-2026-9421

EUVD

EUVD-2026-31624

Affected Vendors & Products

Vendor	Product	Version / Range
klik	socialmediawebsite	1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CWE-434	The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Attack-Flow Graph

Executive Summary

This vulnerability exists in KLiK SocialMediaWebsite version 1.0, specifically in the function uniqid within the file upload.inc.php of the File Handler component. It allows an attacker to manipulate the function to perform unrestricted file uploads.

Because the vulnerability can be exploited remotely, an attacker can upload files without restriction, potentially bypassing security controls.

Impact Analysis

The unrestricted file upload vulnerability can allow attackers to upload malicious files to the server. This can lead to unauthorized access, data compromise, or the execution of malicious code on the affected system.

Since the attack can be initiated remotely and requires no privileges or user interaction, it poses a significant security risk.

Hi! I’m here to help you understand CVE-2026-9421. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70