CVE-2024-47627 in Gutenberg Blocks Plugin
Summary
by MITRE • 10/05/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Travel WP Travel Gutenberg Blocks wp-travel-blocks allows Stored XSS.This issue affects WP Travel Gutenberg Blocks: from n/a through <= 3.6.0.
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Analysis
by VulDB Data Team • 04/05/2026
The vulnerability CVE-2024-47627 represents a critical cross-site scripting flaw within the WP Travel Gutenberg Blocks plugin for WordPress, specifically impacting versions up to and including 3.6.0. This issue falls under the CWE-79 category of Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security that allows malicious scripts to be injected into web pages viewed by other users. The vulnerability manifests as a stored XSS attack vector, meaning that malicious payloads can be permanently stored on the server and executed whenever users access affected pages, making it particularly dangerous for content management systems that handle user-generated content.
The technical flaw occurs within the wp-travel-blocks plugin's handling of user input during web page generation processes. When users create or modify travel itinerary content using the Gutenberg editor blocks, the plugin fails to properly sanitize and escape user-provided data before rendering it in HTML output. This inadequate input validation and output encoding creates an opening for attackers to inject malicious JavaScript code through various input fields such as destination names, activity descriptions, tour itineraries, or any other editable content areas. The stored nature of this vulnerability means that once malicious code is injected, it persists in the database and executes automatically whenever affected pages are loaded, potentially affecting all users who access those pages.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities that compromise user sessions and data integrity. Attackers could steal cookies, session tokens, or other sensitive information from authenticated users, potentially leading to account takeovers and unauthorized access to administrative functions. The vulnerability also poses risks to the overall website integrity, as malicious actors could redirect users to phishing sites, deface the website content, or inject malware delivery mechanisms. Given that WP Travel is commonly used for booking and travel management platforms, the potential for financial fraud or data theft increases significantly, particularly when users enter personal information or payment details within the affected travel content areas.
Mitigation strategies for CVE-2024-47627 should prioritize immediate plugin updates to versions that address the XSS vulnerability, as the vendor has likely released patches to correct the input sanitization and output encoding flaws. System administrators should implement comprehensive input validation and output escaping mechanisms, ensuring that all user-provided content is properly sanitized before being stored or rendered in web pages. The implementation of Content Security Policy headers can provide additional protection layers against XSS attacks by restricting script execution sources and preventing unauthorized code injection. Security monitoring should include regular scanning for malicious content within the plugin's data storage areas, while user access controls should be reviewed to limit the ability of untrusted users to inject potentially harmful content. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious activity related to XSS attack patterns, particularly focusing on unusual script injection attempts in travel-related content management areas.