CVE-2024-37487 in WP Directory Kit Plugin
Summary
by MITRE • 07/21/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in wpdirectorykit.Com WP Directory Kit allows Reflected XSS.This issue affects WP Directory Kit: from n/a through 1.3.5.
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Analysis
by VulDB Data Team • 03/17/2025
This vulnerability represents a critical cross-site scripting flaw in the WP Directory Kit plugin for WordPress systems, specifically impacting versions ranging from the initial release through 1.3.5. The weakness resides in the improper sanitization of user input during web page generation processes, creating an avenue for malicious actors to inject and execute arbitrary scripts within the context of other users' browsers. This reflected XSS vulnerability occurs when the application fails to adequately validate or escape user-supplied data before incorporating it into dynamically generated web content, allowing attackers to craft malicious URLs that, when clicked by victims, execute harmful scripts in their browsers.
The technical exploitation of this vulnerability follows standard reflected XSS patterns where an attacker crafts a malicious payload and delivers it through a URL or other user interaction mechanism. When a victim accesses the crafted URL, the malicious script is executed in their browser context, potentially enabling session hijacking, credential theft, or redirection to malicious sites. The vulnerability's impact is amplified by the fact that it affects the core web page generation functionality, making it accessible through various user input points within the directory kit's interface. This type of vulnerability maps directly to CWE-79 which defines Cross-site Scripting as a weakness where untrusted data is used to generate web content without proper validation or escaping, and aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments or links.
From an operational standpoint, this vulnerability poses significant risks to WordPress installations using WP Directory Kit, as it allows attackers to compromise user sessions and potentially escalate privileges within the affected systems. The reflected nature of the vulnerability means that the malicious payload must be delivered directly to the victim's browser through external means, typically via phishing emails or compromised websites, but once executed, the impact can be severe. Attackers could leverage this vulnerability to steal administrator credentials, modify directory listings, or redirect users to malicious domains that could harvest sensitive information. The vulnerability's presence in multiple versions suggests a persistent flaw in the input sanitization process that was not adequately addressed through the affected release cycle.
Organizations using WP Directory Kit should immediately implement mitigations including updating to the latest available version of the plugin, if a patched release exists, or applying custom input validation and output escaping measures to prevent user-supplied data from being rendered in web pages without proper sanitization. The recommended approach involves implementing comprehensive input validation that filters and escapes all user-provided content before it enters the web generation pipeline, combined with output encoding that ensures any potentially malicious content is rendered harmless. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting script execution within the application's context. Network monitoring should be enhanced to detect suspicious traffic patterns that may indicate exploitation attempts, and users should be educated about the risks of clicking untrusted links that could lead to malicious XSS payloads. The vulnerability's classification as a reflected XSS issue emphasizes the importance of proactive input validation rather than relying on reactive measures, aligning with security best practices outlined in OWASP's Top Ten Project and the principle of defense in depth as recommended in NIST SP 800-53 security controls.