CVE-2024-34752 in Landing Page Builder Plugin
Summary
by MITRE • 05/17/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in PluginOps Landing Page Builder allows Reflected XSS.This issue affects Landing Page Builder: from n/a through 1.5.1.8.
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Analysis
by VulDB Data Team • 03/29/2025
The vulnerability identified as CVE-2024-34752 represents a critical cross-site scripting weakness within the PluginOps Landing Page Builder plugin, specifically targeting the reflected XSS attack vector. This flaw exists in versions ranging from an unspecified initial version through 1.5.1.8, creating a persistent security risk for WordPress installations that utilize this particular plugin. The vulnerability stems from inadequate input validation and sanitization processes during the web page generation phase, where user-supplied data is not properly neutralized before being incorporated into dynamically generated HTML content. This failure in input handling creates an exploitable condition that allows malicious actors to inject arbitrary script code into web pages viewed by other users.
The technical implementation of this vulnerability occurs when the plugin processes user input through reflected parameters within URL queries or form submissions without adequate sanitization measures. When a victim visits a maliciously crafted URL containing script code within the plugin's parameter handling, the script executes within the victim's browser context, potentially enabling session hijacking, credential theft, or redirection to malicious sites. The reflected nature of this XSS vulnerability means that the malicious payload is reflected back from the server to the user agent, making it particularly dangerous as it requires no persistent storage of malicious code on the target server. This characteristic aligns with CWE-79, which specifically addresses cross-site scripting vulnerabilities through improper neutralization of input during web page generation, and follows the ATT&CK framework's T1566.001 technique for initial access through spearphishing attachments.
The operational impact of this vulnerability extends beyond simple script execution, potentially allowing attackers to escalate privileges within affected systems. An attacker could leverage this reflected XSS to steal administrator cookies, modify page content, redirect users to phishing sites, or perform actions on behalf of authenticated users. The vulnerability's presence in the landing page builder component specifically targets websites that rely on dynamic content generation, making it particularly dangerous for marketing sites, e-commerce platforms, and any organization using this plugin for creating landing pages. The risk is amplified when considering that landing pages often contain sensitive information or are used for lead generation, making them attractive targets for cybercriminals seeking to exploit user trust.
Mitigation strategies for CVE-2024-34752 should prioritize immediate patching of the affected plugin to version 1.5.1.9 or later, which contains the necessary security fixes. Organizations should implement comprehensive input validation at multiple layers including client-side and server-side filtering, ensuring all user-supplied data undergoes proper sanitization before being processed or rendered. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though they should not replace proper code-level fixes. Security monitoring should include detection of suspicious URL parameters and anomalous user behavior patterns that might indicate exploitation attempts. The vulnerability's classification under CWE-79 emphasizes the importance of implementing robust input sanitization and output encoding practices, while ATT&CK framework considerations suggest implementing user training programs to recognize potential phishing attempts that might exploit this vulnerability. Regular security audits and penetration testing should be conducted to identify similar weaknesses in other plugins or custom code implementations that might present similar risks.