WordPress Plugin Gallery Arbitrary File Upload Scanner
Detects 'Arbitrary File Upload' vulnerability in WordPress Plugin Gallery.
Short Info
Level
High
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
2 weeks 15 hours
Scan only one
Domain, IPv4, Subdomain
Toolbox
-
The WordPress Plugin Gallery by BestWebSoft is widely used by website admins to create and manage gallery sections on their WordPress sites. Being a plugin for WordPress, it falls under the content management systems category, primarily utilized by bloggers, digital content creators, and e-commerce platforms for visually appealing presentations of images. Its purpose is to offer a user-friendly interface for managing image galleries, which can enhance user engagement and site aesthetics. The easy integration with WordPress makes it a preferred choice among non-technical users who require simple solutions for complex needs. Its usage spans various fields, from online portfolios to corporate presentations, making it a versatile tool. However, like many third-party plugins, its security is crucial to ensure the larger WordPress ecosystem's safety.
The vulnerability found in the Gallery plugin is known as an Arbitrary File Upload vulnerability, which allows an attacker to upload malicious files to the server where the plugin is installed. This type of vulnerability can lead to unauthorized access, data theft, or further compromise of the web application. The core issue involves insufficient validation of file types and inadequate sanitization of file paths during the upload process. Attackers can exploit this weakness without needing to authenticate to the system, significantly increasing the risk factor. The vulnerability lies within the PHP code execution during the file upload process, which was not properly restricted in the affected versions. Remediation efforts focus on tightening these security checks and ensuring files uploaded meet strict criteria to prevent exploitation.
The vulnerability details highlight a specific flaw in the file upload functionality of the plugin, where the endpoint '/wp-content/plugins/gallery-plugin/upload/php.php' does not adequately validate the contents and attributes of uploaded files. This flaw is exacerbated by insufficient checks in the "qqfile" parameter, within which files can be manipulated to execute arbitrary PHP code. The vulnerability thus exploits the weaknesses of the HTTP POST method, and flaws in multipart form-data handling. Attackers can exploit the plugin's endpoint by crafting specialized requests which provide unauthorized access and control. The implications are severe, potentially allowing an attacker to plant backdoors, deface websites, or exfiltrate sensitive information.
When exploited, this vulnerability can allow a malicious individual to execute arbitrary code on the server, which can lead to complete takeover and control of the affected WordPress site. Once compromised, attackers can install malware, redirect traffic, steal data, or plant ransomware, drastically compromising user privacy and security. The ramifications are amplified if the compromised site is part of a network installation or handles sensitive information such as personal data, financial records, or intellectual property. Businesses may face reputational damage, legal liabilities, and financial losses as a result of such breaches. To safeguard against these effects, closing the security gap through software updates and improved security protocols is crucial.
REFERENCES
