CVE-2025-30782 in Subscribe to Download Lite Plugin
Summary
by MITRE • 04/01/2025
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in WP Shuffle Subscribe to Download Lite allows PHP Local File Inclusion. This issue affects Subscribe to Download Lite: from n/a through 1.2.9.
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Analysis
by VulDB Data Team • 04/01/2025
The vulnerability identified as CVE-2025-30782 represents a critical security flaw in the WP Shuffle Subscribe to Download Lite plugin that exposes systems to remote code execution through improper handling of file inclusion directives. This weakness falls under the broader category of PHP Remote File Inclusion (RFI) vulnerabilities, which occur when applications fail to properly validate or sanitize user-supplied input that is used in include or require statements within PHP code. The vulnerability specifically affects versions of the plugin ranging from an unspecified starting point through version 1.2.9, indicating that all versions within this range are potentially exploitable.
The technical implementation of this flaw stems from the plugin's failure to adequately control or validate filename parameters passed to PHP's include or require functions. When user input is directly incorporated into file inclusion statements without proper sanitization or validation, attackers can manipulate the input to reference arbitrary files on the server. This allows for local file inclusion attacks where malicious actors can load and execute arbitrary PHP code from local files, potentially leading to complete system compromise. The vulnerability operates at the application layer and leverages the inherent trust placed by PHP applications in include directives, making it particularly dangerous as it can bypass traditional security controls that might protect against direct remote code execution attempts.
The operational impact of this vulnerability extends beyond simple data theft or service disruption, as it provides attackers with the capability to execute arbitrary code on affected systems. This can result in complete compromise of the web server, allowing attackers to establish persistent backdoors, exfiltrate sensitive data, or use the compromised system as a launch point for further attacks within the network. The vulnerability particularly affects WordPress installations using the affected plugin, making it a prime target for automated scanning and exploitation campaigns. Organizations running vulnerable versions face significant risk of unauthorized access, data breaches, and potential regulatory compliance violations.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected plugin to the latest available version that addresses the file inclusion flaw. System administrators should implement input validation and sanitization measures to prevent user-supplied data from being directly used in include statements. The principle of least privilege should be enforced by ensuring that web server processes run with minimal necessary permissions and that file inclusion paths are restricted to predefined safe directories. Additionally, network-level controls such as firewalls and intrusion detection systems should be configured to monitor for suspicious file inclusion patterns and anomalous network traffic that might indicate exploitation attempts. This vulnerability aligns with CWE-98 and CWE-88 categories related to improper input validation and command injection, and its exploitation patterns correspond to ATT&CK techniques such as T1059 for command and scripting interpreter and T1105 for remote file execution. Organizations should also conduct comprehensive vulnerability assessments to identify other potentially affected components and implement proper security monitoring to detect any exploitation attempts.