CVE-2024-47386 in Ultimate Toolkit Plugin
Summary
by MITRE • 10/05/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Extended The Ultimate WordPress Toolkit – WP Extended wpextended allows Reflected XSS.This issue affects The Ultimate WordPress Toolkit – WP Extended: from n/a through <= 3.0.8.
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Analysis
by VulDB Data Team • 04/05/2026
This vulnerability represents a critical cross-site scripting flaw that specifically impacts the WP Extended Ultimate WordPress Toolkit plugin, exposing users to significant security risks through reflected attack vectors. The issue stems from inadequate input sanitization during web page generation processes, allowing malicious actors to inject malicious scripts into web pages viewed by other users. This particular vulnerability affects versions of the plugin ranging from the initial release through version 3.0.8, indicating a prolonged period during which the flaw remained unaddressed. The reflected nature of this XSS vulnerability means that malicious scripts are executed in the victim's browser through crafted URLs or input parameters that are immediately reflected back to the user without proper sanitization. This type of vulnerability falls under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a classic example of how insufficient validation and sanitization can lead to severe security consequences. The ATT&CK framework categorizes this under T1566.001 - Phishing: Spearphishing Attachment, as attackers could leverage this vulnerability to deliver malicious payloads through crafted web requests that appear legitimate to end users.
The technical implementation of this vulnerability occurs when the plugin fails to properly sanitize user input before incorporating it into dynamically generated web pages. When users visit pages that contain unsanitized input parameters, the malicious scripts are executed within the context of the victim's browser session, potentially allowing attackers to steal session cookies, perform actions on behalf of users, or redirect them to malicious sites. The reflected nature means that the attack payload must be crafted to be immediately reflected back to the user, typically through URL parameters or form submissions that are not properly validated or escaped. This creates a scenario where an attacker can send a malicious link to a victim, and when the victim clicks the link, the malicious script executes in their browser, potentially compromising their session or accessing sensitive information. The vulnerability's impact extends beyond simple script execution, as it can enable more sophisticated attacks such as session hijacking, credential theft, or even privilege escalation within the WordPress environment.
The operational impact of this vulnerability is substantial for WordPress administrators and end users who rely on the WP Extended toolkit for their website functionality. Organizations using affected versions of the plugin face potential data breaches, unauthorized access to administrative panels, and compromised user sessions. Attackers could exploit this vulnerability to gain unauthorized access to WordPress admin interfaces, modify website content, or steal sensitive user information. The reflected XSS nature makes this particularly dangerous as it can be exploited through social engineering tactics, where users are tricked into clicking malicious links that appear legitimate. Security teams must consider the broader implications of this vulnerability within their threat landscape, as reflected XSS attacks can serve as initial access vectors for more complex attack chains. The vulnerability also highlights the importance of regular security updates and proper input validation practices in plugin development, as the issue affects a widely used WordPress toolkit that likely serves numerous websites across different industries and user bases. Organizations should immediately implement mitigations including updating to patched versions, implementing proper input validation, and monitoring for suspicious activity that might indicate exploitation attempts.