CVE-2024-2126 in Orbit Fox Widget
Summary
by MITRE • 03/13/2024
The Orbit Fox by ThemeIsle plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Registration Form widget in all versions up to, and including, 2.10.32 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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Analysis
by VulDB Data Team • 04/17/2025
The Orbit Fox plugin by ThemeIsle represents a popular WordPress extension that provides various marketing and analytics tools for website owners. This particular vulnerability affects all versions up to and including 2.10.32, creating a significant security risk for WordPress installations that utilize this plugin. The vulnerability manifests within the Registration Form widget functionality, which is designed to help website administrators collect user information through customizable forms. The flaw exists in how the plugin processes and renders user input, specifically within the form handling mechanism that manages contributor-level and above user interactions.
The technical flaw stems from inadequate input sanitization and insufficient output escaping mechanisms within the plugin's codebase. When authenticated users with contributor privileges or higher submit data through the Registration Form widget, the plugin fails to properly sanitize the input before storing it in the database. Additionally, the output escaping mechanisms that should prevent malicious scripts from executing when the stored data is rendered back to users are either missing or improperly implemented. This combination of weaknesses creates a classic stored cross-site scripting vulnerability where malicious code can be permanently embedded within the plugin's data storage and subsequently executed whenever affected pages are accessed by any user.
The operational impact of this vulnerability extends beyond simple data corruption or display issues. Attackers with contributor-level access can inject malicious scripts that could perform various harmful actions including stealing user session cookies, redirecting visitors to malicious websites, defacing content, or even establishing persistent backdoors within the WordPress installation. The vulnerability is particularly dangerous because it requires minimal privileges to exploit, making it accessible to users who should normally have limited administrative capabilities. Any user with contributor access or higher can potentially compromise the entire website's security, as the injected scripts will execute for all users who access pages containing the malicious content, including administrators and regular visitors.
This vulnerability aligns with CWE-79 which specifically addresses Cross-Site Scripting flaws in software applications. The issue also maps to ATT&CK technique T1548.002 which covers abuse of group privileges, as the attack leverages existing user permissions to escalate the threat. The security implications suggest that this vulnerability could be exploited as part of a broader attack chain where initial access is gained through contributor-level accounts and then used to establish persistent access or data exfiltration capabilities. Organizations should immediately update to the latest version of the Orbit Fox plugin to mitigate this risk, as the vulnerability affects a wide range of WordPress installations that utilize this marketing-focused plugin.
Mitigation strategies should include immediate patching of the affected plugin version, implementation of additional input validation measures, and monitoring for any suspicious activity in the registration form data. Administrators should also consider restricting contributor-level permissions where possible and implementing proper content security policies to limit the potential impact of any successful XSS attacks. Regular security audits of WordPress plugins should be conducted to identify similar vulnerabilities in other third-party extensions, as this type of stored XSS vulnerability represents a common attack vector that affects numerous WordPress plugins across the ecosystem.