CVE-2024-29791 in Bulk NoIndex & NoFollow Toolkit Plugin
Summary
by MITRE • 03/27/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Mad Fish Digital Bulk NoIndex & NoFollow Toolkit allows Reflected XSS.This issue affects Bulk NoIndex & NoFollow Toolkit: from n/a through 2.01.
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Analysis
by VulDB Data Team • 04/12/2025
The vulnerability identified as CVE-2024-29791 represents a critical cross-site scripting weakness within the Mad Fish Digital Bulk NoIndex & NoFollow Toolkit plugin for WordPress. This reflected XSS vulnerability occurs when the plugin fails to properly sanitize user input during web page generation processes, creating an avenue for malicious actors to inject and execute arbitrary scripts within the context of a victim's browser. The vulnerability specifically manifests in the toolkit's handling of parameters that are reflected back to users without adequate input validation or output encoding mechanisms.
The technical flaw stems from the plugin's insufficient neutralization of input data that flows through HTTP request parameters into HTML responses. When users interact with the toolkit's administrative interfaces or front-end pages, unfiltered input values are directly incorporated into generated web content without proper sanitization. This allows attackers to craft malicious payloads that exploit the reflected nature of the vulnerability, where the injected script is executed when the victim's browser processes the malicious response. The vulnerability exists across all versions from the initial release through version 2.01, indicating a persistent flaw in the plugin's input handling architecture.
The operational impact of this reflected XSS vulnerability is significant for WordPress site administrators and users who interact with the affected toolkit. Attackers can leverage this weakness to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or execute arbitrary code within the browser context. The reflected nature of the vulnerability means that exploitation requires user interaction with a crafted link, making it particularly dangerous in phishing campaigns or when the toolkit is used in environments where users might encounter malicious URLs. The vulnerability affects the integrity and security of the entire WordPress installation when the toolkit is active.
Mitigation strategies for CVE-2024-29791 should prioritize immediate remediation through plugin updates to version 2.02 or later, which addresses the reflected XSS vulnerability through proper input sanitization and output encoding. Administrators should implement comprehensive input validation mechanisms that adhere to established security practices and consider deploying web application firewalls to detect and block malicious payloads. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and represents a clear violation of the principle of least privilege in web application security. Additionally, organizations should conduct thorough security audits of all installed WordPress plugins to identify similar vulnerabilities, as reflected XSS issues commonly occur in web applications that fail to properly encode output data. The ATT&CK framework categorizes this vulnerability under the T1059.001 technique for command and scripting interpreter, as the malicious scripts can execute arbitrary commands within the browser context. Regular security monitoring and user education about suspicious links remain essential defensive measures to prevent exploitation of reflected XSS vulnerabilities in WordPress environments.