What the vulnerability does
01Description
Unrestricted Upload of File with Dangerous Type vulnerability in Optimal Access KBucket kbucket allows Upload a Web Shell to a Web Server.This issue affects KBucket: from n/a through <= 4.2.2.
CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
What the vulnerability does
Unrestricted Upload of File with Dangerous Type vulnerability in Optimal Access KBucket kbucket allows Upload a Web Shell to a Web Server.This issue affects KBucket: from n/a through <= 4.2.2.
Explanation of Vulnerability in Simple Terms
KBucket versions 4.2.2 and earlier allow authenticated users to upload files without proper validation. An attacker with low-level access can upload malicious files that may be executed on the server, potentially compromising the entire system. The vulnerability affects confidentiality, integrity, and availability of the application.
What an attacker can do
Upload and execute malicious files on the server to compromise the system.
Potential impact on your site
An attacker with basic user access can run their own code on your server and access or modify any data.
Conditions required to exploit
Attacker must have a low-privilege user account on the KBucket instance.
Key dates
External resources
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