CVE-2024-29924 in Premium Packages Plugin
Summary
by MITRE • 03/27/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in W3 Eden, Inc. Premium Packages allows Reflected XSS.This issue affects Premium Packages: from n/a through 5.8.2.
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Analysis
by VulDB Data Team • 04/12/2025
This vulnerability represents a classic cross-site scripting flaw that exploits improper input validation during web page generation processes. The weakness manifests in the W3 Eden, Inc. Premium Packages component where user-supplied input is not adequately sanitized before being incorporated into dynamically generated web content. This reflected XSS vulnerability occurs when malicious payloads are injected into HTTP request parameters and subsequently echoed back to users without proper HTML escaping or encoding mechanisms. The affected version range spans from an unspecified starting point through version 5.8.2, indicating a prolonged period during which this security gap remained unaddressed. The vulnerability specifically impacts the web application's ability to neutralize potentially dangerous input characters and sequences that could otherwise be interpreted as executable JavaScript code by web browsers.
The technical exploitation of this flaw follows standard reflected XSS attack patterns where an attacker crafts malicious URLs containing script payloads that are then reflected back to victims through the vulnerable application's response. When users click on these crafted links or are redirected to them, the embedded JavaScript executes in the victim's browser context, potentially leading to session hijacking, credential theft, or redirection to malicious sites. This vulnerability directly maps to CWE-79 which defines the improper neutralization of input during web page generation as a primary weakness. The attack vector operates through HTTP request parameters that are processed by the application's rendering engine without adequate sanitization, allowing attackers to inject malicious code that executes in the context of the user's session.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack chains that compromise user sessions and potentially escalate to full system compromise. Attackers can leverage this vulnerability to steal authentication cookies, modify web page content, redirect users to phishing sites, or perform actions on behalf of authenticated users. The reflected nature of this XSS means that the attack requires user interaction through a malicious link, making it particularly dangerous in social engineering campaigns or when combined with other vulnerabilities. This weakness creates an attack surface that can be exploited by threat actors to gain unauthorized access to user accounts and sensitive information, particularly in environments where users have elevated privileges or access to confidential data through the affected application.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and output encoding mechanisms throughout the application's data flow. The primary defense involves implementing proper HTML escaping and encoding of all user-supplied input before rendering it in web pages, which aligns with ATT&CK technique T1203 for legitimate code execution. Organizations should deploy Content Security Policy headers to limit script execution sources and implement proper parameter validation to reject suspicious input patterns. Additionally, regular security updates and patches should be applied immediately upon vendor release to address this vulnerability. The implementation of web application firewalls and input sanitization libraries can provide additional layers of protection. Security teams should also conduct regular penetration testing and code reviews focusing on input handling mechanisms to identify and remediate similar weaknesses that could exist in other parts of the application stack, ensuring comprehensive protection against reflected XSS attacks across the entire web application environment.