CVE-2024-35647 in Global Notification Bar Plugin
Summary
by MITRE • 06/02/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Global Notification Bar allows Stored XSS.This issue affects Global Notification Bar: from n/a through 1.0.1.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 03/26/2025
The vulnerability identified as CVE-2024-35647 represents a critical security flaw in the Global Notification Bar plugin, specifically classified as an improper neutralization of input during web page generation. This vulnerability manifests as a stored cross-site scripting attack vector that can be exploited by malicious actors to inject persistent malicious scripts into web pages viewed by other users. The issue affects all versions of the plugin from the initial release through version 1.0.1, indicating a long-standing flaw that has remained unaddressed. The vulnerability falls under the Common Weakness Enumeration category CWE-79, which specifically addresses cross-site scripting flaws where web applications fail to properly sanitize user input before incorporating it into dynamically generated web content. This weakness creates a persistent security risk as the malicious scripts are stored on the server and executed whenever affected pages are loaded, making it particularly dangerous for applications that handle user-generated content or administrative inputs.
The technical exploitation of this vulnerability occurs when the Global Notification Bar plugin fails to adequately sanitize or escape user-supplied data during the generation of web pages. When administrators or users input content that contains malicious script code into notification fields or configuration parameters, the plugin does not properly neutralize these inputs before rendering them in the browser context. This allows attackers to inject JavaScript code that executes in the context of other users' browsers, potentially leading to session hijacking, credential theft, or arbitrary code execution on victim machines. The stored nature of this XSS vulnerability means that the malicious payload persists in the application's database or configuration files, making it particularly insidious as it can affect multiple users over extended periods without requiring repeated exploitation attempts.
The operational impact of CVE-2024-35647 extends beyond simple data theft or session manipulation, as it can enable attackers to fully compromise the affected web applications and the users interacting with them. This vulnerability particularly affects WordPress environments where the Global Notification Bar plugin is installed, potentially allowing attackers to escalate privileges, modify content, or redirect users to malicious domains. The attack surface is broadened by the nature of notification systems which often serve as central points of user interaction and information display, making them prime targets for exploitation. Security frameworks such as the MITRE ATT&CK framework classify this vulnerability under the T1059.001 technique for command and scripting interpreter, as attackers can leverage the stored XSS to execute arbitrary commands through browser-based payloads. Organizations utilizing this plugin face significant risk of unauthorized access and data compromise, particularly in environments where administrative notifications are frequently updated with user inputs or automated content.
Mitigation strategies for CVE-2024-35647 should prioritize immediate plugin updates to versions that address the stored XSS vulnerability, as this represents the most effective defense against the known exploit. System administrators should implement comprehensive input validation and output encoding mechanisms to prevent malicious scripts from being stored or executed in web applications. The implementation of Content Security Policy headers can provide additional protection by restricting script execution and preventing unauthorized code injection. Organizations should also conduct thorough security audits of their web applications to identify similar input validation weaknesses that could be exploited through analogous attack vectors. Regular security monitoring and penetration testing should be implemented to detect potential exploitation attempts, while user education about phishing and social engineering attacks that might leverage this vulnerability should be maintained. The vulnerability highlights the importance of proper input sanitization and output encoding practices, which are fundamental requirements in secure software development and align with industry standards such as OWASP Top Ten and ISO 27001 security controls.