CVE-2024-53745 in 소셜 공유 버튼 By 코스모스팜 Plugin
Summary
by MITRE • 12/02/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 코스모스팜 – Cosmosfarm 소셜 공유 버튼 By 코스모스팜 allows Stored XSS.This issue affects 소셜 공유 버튼 By 코스모스팜: from n/a through 1.9.
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Analysis
by VulDB Data Team • 02/22/2025
This vulnerability represents a critical cross-site scripting flaw in the Cosmosfarm social sharing button plugin for WordPress, specifically impacting versions through 1.9. The issue manifests as improper input neutralization during web page generation, creating a persistent stored XSS attack vector that allows malicious actors to inject malicious scripts into web pages viewed by other users. The vulnerability stems from inadequate sanitization of user-supplied input parameters that are subsequently rendered in the plugin's output without proper encoding or validation. This allows attackers to store malicious scripts within the plugin's configuration or data handling mechanisms, which then execute whenever legitimate users access pages containing the vulnerable plugin. The attack occurs when users interact with web pages that contain the maliciously injected scripts, potentially leading to unauthorized actions performed on behalf of the victim, session hijacking, or data theft.
The technical implementation of this vulnerability involves the plugin's failure to properly escape or sanitize user input before incorporating it into HTML output contexts. When administrators or users configure the social sharing button plugin, they may provide input parameters that are not adequately filtered or encoded before being embedded in web page content. This creates an environment where malicious payloads can be stored within the plugin's data structures and subsequently executed in the browsers of unsuspecting visitors. The vulnerability specifically affects the plugin's handling of parameters related to social sharing functionality, where user-provided content such as URLs, titles, or other metadata fields are processed without sufficient input validation or output encoding measures. This flaw aligns with CWE-79 which defines improper neutralization of input during web page generation as a fundamental weakness in web application security.
The operational impact of this vulnerability extends beyond simple script execution, as it enables sophisticated attack chains that can compromise entire user sessions and potentially lead to full system compromise. Attackers can leverage this stored XSS vulnerability to steal cookies, session tokens, and other sensitive information from authenticated users who visit compromised pages. The persistent nature of stored XSS means that once the malicious payload is injected, it remains active until manually removed from the plugin's configuration or database entries. This vulnerability affects not only individual user experiences but also poses risks to website administrators who may inadvertently interact with maliciously crafted content while managing their sites. The attack surface is particularly concerning given that social sharing plugins are commonly used across various websites, making the impact of this vulnerability widespread and potentially affecting numerous web properties that utilize the Cosmosfarm plugin.
Mitigation strategies for this vulnerability require immediate attention from system administrators and security teams responsible for WordPress installations using the affected plugin. The primary recommendation involves upgrading to the latest available version of the social sharing button plugin where the XSS vulnerability has been patched and properly addressed through input sanitization and output encoding mechanisms. Organizations should implement comprehensive input validation procedures that filter and sanitize all user-supplied data before processing or storing it within the application. Additionally, security measures such as content security policies should be implemented to prevent execution of unauthorized scripts even if the vulnerability is not immediately patched. The implementation of proper output encoding techniques during web page generation ensures that any potentially malicious content is rendered harmless when displayed to end users. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other plugins and themes that may be present within the WordPress ecosystem, aligning with ATT&CK technique T1584 which addresses the exploitation of web application vulnerabilities. System administrators should also monitor for any malicious activity or unauthorized modifications to plugin configurations that may indicate exploitation attempts, while maintaining up-to-date security monitoring and incident response procedures to address potential breaches effectively.