CVE-2023-41662 in WP-dTree Plugin
Summary
by MITRE • 10/25/2023
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Ulf Benjaminsson WP-dTree plugin <= 4.4.5 versions.
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Analysis
by VulDB Data Team • 10/25/2023
The vulnerability CVE-2023-41662 represents an unauthorized reflected cross-site scripting flaw discovered in the WP-dTree plugin for WordPress systems. This issue affects versions up to and including 4.4.5, making it a significant security concern for WordPress users who have not yet updated their installations. The vulnerability resides within the plugin's handling of user input, specifically in how it processes and reflects data back to users without proper sanitization or validation measures. This type of vulnerability allows attackers to inject malicious scripts into web pages viewed by other users, potentially leading to unauthorized access, data theft, or further exploitation of the affected systems.
The technical implementation of this vulnerability stems from inadequate input validation within the plugin's codebase, which fails to properly sanitize or escape user-supplied data before rendering it in web responses. When a user visits a page that utilizes the affected plugin functionality, the malicious script embedded in the input parameters gets executed in the victim's browser context. This reflected nature means that the attack payload is delivered via a malicious URL containing the script, which is then reflected back by the vulnerable application to the user's browser. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications, and represents a classic example of how insufficient input sanitization can lead to severe security consequences.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and potential privilege escalation within the affected WordPress environment. Attackers can craft malicious URLs that, when clicked by authenticated users, can execute scripts that steal session cookies, redirect users to malicious sites, or modify content on the affected website. The reflected nature of the vulnerability means that attacks can be delivered through various vectors including phishing emails, social engineering campaigns, or compromised website links. This vulnerability is particularly dangerous because it can affect any user who visits a page utilizing the vulnerable plugin functionality, regardless of their authentication status, making it a prime target for widespread exploitation.
Mitigation strategies for CVE-2023-41662 should prioritize immediate plugin updates to versions that address the reflected XSS vulnerability, as the vendor has likely released patches to resolve this issue. Organizations should conduct thorough vulnerability assessments to identify all instances of the affected plugin across their WordPress installations and ensure that proper input validation measures are implemented. Security teams should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability. Additionally, regular security audits of WordPress plugins and themes should be conducted to identify potential vulnerabilities before they can be exploited. The ATT&CK framework categorizes this type of vulnerability under T1213 - Data from Information Repositories, as it provides attackers with access to sensitive data through session manipulation and credential theft. Organizations should also implement proper security monitoring and logging to detect unusual traffic patterns that may indicate exploitation attempts. The vulnerability highlights the critical importance of maintaining up-to-date software components and implementing robust input validation practices to prevent reflected XSS attacks. Regular security training for administrators and developers should emphasize the importance of sanitizing all user inputs and following secure coding practices to prevent similar vulnerabilities from being introduced in future applications.