CVE-2024-51709 in TeleAdmin Plugin
Summary
by MITRE • 11/09/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Marian Dietz TeleAdmin allows Reflected XSS.This issue affects TeleAdmin: from n/a through 1.0.0.
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Analysis
by VulDB Data Team • 02/28/2025
This vulnerability represents a critical web application security flaw that falls under the category of cross-site scripting attacks, specifically classified as reflected cross-site scripting according to the CWE-79 framework. The vulnerability exists within the TeleAdmin application developed by Marian Dietz, where input validation mechanisms fail to properly sanitize user-supplied data before incorporating it into dynamically generated web pages. This improper neutralization creates an exploitable condition where malicious actors can inject arbitrary JavaScript code into web responses that are then executed in the context of other users' browsers.
The technical implementation of this reflected XSS vulnerability occurs when the TeleAdmin application receives user input through HTTP request parameters and directly incorporates this data into HTML output without adequate sanitization or encoding. When a victim visits a maliciously crafted URL containing the XSS payload, the web application reflects this malicious script back to the user's browser, where it executes in the context of the victim's session. This allows attackers to potentially steal session cookies, perform actions on behalf of users, redirect them to malicious sites, or extract sensitive information from the application's data.
The operational impact of this vulnerability extends beyond simple data theft, as it can enable attackers to establish persistent access to affected systems through session hijacking or privilege escalation. According to ATT&CK framework techniques, this vulnerability maps to T1566.001 (Phishing for Information) and T1059.007 (Command and Scripting Interpreter: JavaScript), representing how attackers can leverage this flaw to execute malicious code and maintain access. The vulnerability affects all versions of TeleAdmin from the initial release through version 1.0.0, indicating this is a fundamental flaw in the application's input handling architecture that was not properly addressed in the development lifecycle.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase. The recommended approach involves applying context-specific encoding to all user-supplied data before rendering it in HTML contexts, implementing proper Content Security Policy headers to limit script execution, and utilizing secure coding practices that follow the principle of least privilege. Organizations should also consider implementing web application firewalls and regular security testing to identify similar vulnerabilities in other components. The vulnerability aligns with CWE-79 requirements for preventing cross-site scripting by emphasizing the need for proper input sanitization and output encoding.