CVE-2014-4548 in Ruven Toolkit Plugin
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in tinymce/popup.php in the Ruven Toolkit plugin 1.1 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the popup parameter.
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Analysis
by VulDB Data Team • 03/18/2024
The CVE-2014-4548 vulnerability represents a critical cross-site scripting flaw within the Ruven Toolkit plugin for WordPress, specifically affecting versions 1.1 and earlier. This vulnerability resides in the tinymce/popup.php file and demonstrates a classic input validation weakness that enables malicious actors to execute arbitrary web scripts or HTML code within the context of a victim's browser session. The issue stems from the plugin's failure to properly sanitize or escape user-supplied input parameters, creating an attack surface that directly compromises the security integrity of WordPress installations.
The technical exploitation of this vulnerability occurs through manipulation of the popup parameter in the tinymce/popup.php endpoint, which serves as a bridge between the TinyMCE rich text editor and the plugin's administrative functionality. When an attacker crafts a malicious payload and injects it into the popup parameter, the vulnerable code fails to validate or escape the input before processing it within the web application's response. This allows the injected script to execute in the browser context of any user who accesses the compromised page, making it a persistent threat that can affect multiple users within the same WordPress installation. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications, and represents a fundamental failure in input sanitization practices.
From an operational standpoint, this vulnerability creates significant risk for WordPress administrators and end-users who rely on the Ruven Toolkit plugin for content management and editor functionality. Attackers can leverage this flaw to perform session hijacking, steal cookies, redirect users to malicious websites, or inject malicious advertisements and content into the affected WordPress sites. The impact extends beyond simple data theft, as successful exploitation can lead to complete compromise of the WordPress administrative interface, allowing attackers to modify content, install malware, or establish persistent backdoors. The vulnerability's remote nature means that attackers do not require physical access to the system or local network presence to exploit it, making it particularly dangerous in public-facing web environments.
Mitigation strategies for CVE-2014-4548 should prioritize immediate plugin updates to versions that address the XSS vulnerability, as the original plugin developers likely released patches to sanitize the popup parameter input. System administrators should implement comprehensive input validation measures, including the use of Content Security Policy (CSP) headers to restrict script execution and prevent unauthorized code injection. Additionally, regular security audits of WordPress plugins and themes should be conducted to identify and remediate similar vulnerabilities, with particular attention to the principle of least privilege in plugin functionality. The vulnerability's characteristics align with ATT&CK technique T1566, which involves the use of malicious content to gain initial access or escalate privileges through web application vulnerabilities. Organizations should also consider implementing web application firewalls and regular security monitoring to detect and prevent exploitation attempts targeting such XSS vulnerabilities in their WordPress environments.