CVE-2024-51814 in 活动链接推广插件 Plugin
Summary
by MITRE • 11/19/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 野人 活动链接推广插件 allows DOM-Based XSS.This issue affects 活动链接推广插件: from n/a through 1.2.0.
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Analysis
by VulDB Data Team • 02/24/2025
This vulnerability represents a critical cross-site scripting flaw that specifically impacts the 活动链接推广插件 web application. The issue manifests as an improper neutralization of input during web page generation, creating a persistent security weakness that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability is classified as DOM-Based XSS, which means the malicious script is executed in the client-side DOM rather than being reflected in HTTP responses, making it particularly challenging to detect and mitigate. The affected version range spans from n/a through 1.2.0, indicating that all versions within this release cycle are potentially vulnerable to exploitation. This type of vulnerability directly maps to CWE-79, which specifically addresses cross-site scripting flaws in web applications, and aligns with ATT&CK technique T1531 for credential access through web-based attacks. The vulnerability stems from insufficient input validation and sanitization mechanisms within the plugin's web page generation process, where user-provided data is not properly escaped or filtered before being incorporated into dynamic web content.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, data theft, and unauthorized access to user accounts. When exploited, the DOM-Based XSS vulnerability allows attackers to manipulate the web page's DOM structure and execute arbitrary JavaScript code within the victim's browser context. This can lead to persistent malicious behavior where users are redirected to phishing sites, their credentials are captured, or their browser sessions are hijacked. The vulnerability is particularly dangerous because it operates entirely within the client-side environment, making traditional server-side security controls ineffective against it. Attackers can craft malicious URLs that, when visited by victims, automatically execute the injected scripts without requiring any server-side interaction or user input beyond the initial visit to the compromised page. The affected plugin's architecture appears to process user input directly into DOM elements without adequate sanitization, creating an attack surface that can be exploited through various input vectors including URL parameters, form fields, or other user-controllable data sources.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to prevent similar issues in the future. The most effective immediate solution involves implementing comprehensive input sanitization and output encoding mechanisms that properly escape all user-controllable data before it is rendered in web pages. This includes implementing Content Security Policy headers to restrict script execution, utilizing proper DOM manipulation techniques that avoid direct injection of user data into DOM elements, and implementing strict input validation that rejects potentially malicious content. Organizations should also consider implementing automated security scanning tools that can detect similar vulnerabilities in web applications and plugins. The remediation process should follow established security frameworks such as the OWASP Top Ten recommendations for preventing cross-site scripting attacks, which emphasize the importance of proper input validation, output encoding, and secure coding practices. Additionally, regular security assessments and penetration testing should be conducted to identify and address similar vulnerabilities before they can be exploited by malicious actors. The vulnerability highlights the critical importance of implementing defense-in-depth strategies that include both server-side and client-side security controls to protect against various attack vectors including DOM-based cross-site scripting attacks.