CVE-2023-47784 in Slider Revolution Plugin
Summary
by MITRE • 12/20/2023
Unrestricted Upload of File with Dangerous Type vulnerability in ThemePunch OHG Slider Revolution.This issue affects Slider Revolution: from n/a through 6.6.15.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 01/13/2024
The vulnerability identified as CVE-2023-47784 represents a critical unrestricted file upload flaw within the Slider Revolution plugin developed by ThemePunch OHG. This security weakness allows authenticated attackers with sufficient privileges to upload malicious files to the target system, potentially leading to remote code execution and complete system compromise. The vulnerability specifically impacts versions of Slider Revolution ranging from an unspecified starting point through version 6.6.15, indicating a wide range of affected installations across multiple versions of the popular WordPress plugin.
The technical root cause of this vulnerability stems from inadequate input validation and file type checking mechanisms within the plugin's file upload functionality. Attackers can exploit this weakness by uploading files with dangerous extensions such as .php, .jsp, or other server-side script formats that can be executed by the web server. The vulnerability classifies under CWE-434 Unrestricted Upload of File with Dangerous Type, which is a well-documented weakness that has been frequently exploited in web application security breaches. This particular implementation fails to properly validate file content and extensions, allowing malicious uploads to bypass security controls that should prevent execution of potentially harmful files.
The operational impact of CVE-2023-47784 extends beyond simple unauthorized file uploads, as it provides attackers with a potential pathway to achieve persistent remote code execution within the target environment. Once an attacker successfully uploads a malicious file, they can leverage this access to establish backdoors, exfiltrate sensitive data, or escalate privileges within the compromised system. The vulnerability's presence in the Slider Revolution plugin means that any WordPress installation using this plugin and running the affected versions becomes a potential target for exploitation, particularly in environments where administrators have not applied the necessary security patches. This creates a significant risk for organizations that rely on WordPress platforms for their web presence, as the plugin's widespread adoption makes it an attractive target for automated exploitation campaigns.
Mitigation strategies for CVE-2023-47784 must prioritize immediate patch application from ThemePunch OHG, as the vendor has released updates addressing this specific vulnerability. Organizations should also implement additional security controls such as restricting file upload capabilities to only trusted users, implementing strict file type validation, and configuring web servers to reject executable file uploads. Network-based mitigations including web application firewalls and intrusion detection systems can provide additional layers of protection by monitoring for suspicious upload patterns and potentially malicious file content. Security teams should also conduct comprehensive vulnerability assessments to identify all instances of the affected plugin across their infrastructure and ensure proper access controls are in place to limit who can upload files to the system. The ATT&CK framework categorizes this vulnerability under T1505.003 Exploitation for Persistence, highlighting the potential for attackers to establish long-term access through successful exploitation of this weakness.