CVE-2025-24637 in Beacon Lead Magnets and Lead Capture Plugin
Summary
by MITRE • 04/17/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Syed Balkhi Beacon Lead Magnets and Lead Capture allows Reflected XSS. This issue affects Beacon Lead Magnets and Lead Capture: from n/a through 1.5.7.
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Analysis
by VulDB Data Team • 04/17/2025
This vulnerability represents a classic cross-site scripting flaw that exploits improper input sanitization during web page generation processes. The issue specifically affects the Beacon Lead Magnets and Lead Capture plugin, with versions ranging from an unspecified starting point through 1.5.7. The reflected XSS nature indicates that malicious scripts are injected into web pages through user-supplied input that is then reflected back to users without proper sanitization or encoding mechanisms.
The technical implementation of this vulnerability stems from inadequate validation and sanitization of input parameters that are processed during page generation. When user input is directly incorporated into dynamically generated web content without proper neutralization, attackers can craft malicious payloads that execute within the context of other users' browsers. This occurs because the application fails to properly encode or escape special characters that could be interpreted as executable code by web browsers, creating a pathway for script injection attacks.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking. Attackers can leverage this reflected XSS to perform a variety of malicious activities including credential theft, session manipulation, and redirection to malicious sites. The vulnerability affects the core functionality of lead capture and magnet generation, making it particularly dangerous for businesses relying on these systems for customer data collection and marketing automation. The reflected nature means that attacks typically require user interaction through phishing emails or malicious links, but once triggered, the attack vector can persist across multiple user sessions.
Security professionals should recognize this vulnerability as mapping to CWE-79, which specifically addresses Cross-site Scripting flaws in web applications. The ATT&CK framework categorizes this under T1566, specifically the 'Phishing' technique, as attackers often use reflected XSS vulnerabilities to deliver malicious payloads through crafted web requests. Organizations should implement immediate mitigations including input validation, output encoding, and the implementation of Content Security Policies to prevent unauthorized script execution. The vulnerability also highlights the importance of regular security audits and keeping plugins updated to the latest versions where such flaws have been addressed through proper input sanitization and neutralization processes.