CVE-2026-94662 in Unlimited Elements for Elementor Plugin
Summary
by MITRE • 10/07/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Unlimited Elements Unlimited Elements For Elementor (Free Widgets, Addons, Templates) allows Stored XSS.
This issue affects Unlimited Elements For Elementor (Free Widgets, Addons, Templates): from n/a through 2.0.19.
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Analysis
by VulDB Data Team • 10/07/2026
The identified security flaw represents a classic instance of Improper Neutralization of Input During Web Page Generation, commonly known as Cross-Site Scripting or XSS. Specifically, this vulnerability manifests as a Stored XSS within the Unlimited Elements plugin for Elementor, affecting versions ranging from n/a through 2.0.19. Unlike reflected XSS attacks where malicious scripts are executed via manipulated URLs in real-time, stored vulnerabilities involve the persistent storage of malicious payloads on the target server. In this context, an attacker can inject executable JavaScript code into user-controllable input fields that are subsequently saved to a database or file system without adequate sanitization. When other users access pages containing these compromised elements, their browsers retrieve and execute the injected script in the context of the vulnerable website, leading to severe security implications for both end-users and site administrators.
From a technical perspective, the root cause lies in the insufficient validation and encoding mechanisms applied by the plugin when processing user-supplied data before rendering it within HTML content. The application fails to properly neutralize special characters that have semantic meaning in HTML or JavaScript contexts, such as angle brackets, quotes, and ampersands. This oversight allows an attacker to break out of the intended data context and inject arbitrary script tags into the page structure. Because Elementor is a widely used visual page builder for WordPress, plugins like Unlimited Elements often handle complex user inputs related to design settings, widget configurations, or template content. If any of these input vectors are not rigorously sanitized before being outputted back to the browser, they become prime targets for exploitation. The persistence of this data means that the malicious code remains active until it is manually removed from the database by an administrator, creating a long-term threat vector even after the initial attack has occurred.
The operational impact of this vulnerability extends beyond simple script execution. Stored XSS attacks are particularly dangerous because they affect every user who views the compromised content, potentially leading to widespread compromise if multiple users access the affected pages. Attackers can leverage this capability to steal session cookies and authentication tokens, thereby hijacking active sessions for legitimate users or administrators. This could lead to unauthorized access to sensitive areas of the WordPress dashboard, allowing further escalation of privileges, defacement of the website, or redirection of traffic to malicious sites. Furthermore, attackers may use the victim's browser identity to perform actions on behalf of the user, such as modifying site settings, creating new administrative accounts, or exfiltrating data from connected services. The trust relationship between the user and the web application is fundamentally broken when clients cannot rely on the integrity of the content served by the server.
In terms of industry classification standards, this vulnerability aligns with CWE-79: Improper Neutralization of Input During Web Page Generation (Cross-site Scripting). More specifically, it falls under the subcategory of Stored XSS, which is often associated with CWE-83 if the input originates from a database or persistent storage medium. Within the MITRE ATT&CK framework for web applications, this technique corresponds to T1059: Command and Scripting Interpreter, where JavaScript serves as the scripting language used by the attacker to execute commands within the victim's browser environment. It also relates to T1204: User Execution, as it relies on a user interacting with or viewing malicious content embedded in legitimate-looking web pages. Understanding these mappings helps security professionals categorize the risk accurately and align mitigation strategies with established best practices for preventing injection-based attacks.
To mitigate this vulnerability, immediate action is required by updating the Unlimited Elements plugin to version 2.0.20 or later, where the developers have presumably implemented proper input validation and output encoding mechanisms. For organizations unable to update immediately due to compatibility concerns, implementing a Web Application Firewall (WAF) can provide an additional layer of defense by filtering out malicious payloads before they reach the application logic. Security headers such as Content-Security-Policy should be configured to restrict the sources from which scripts can be loaded and executed, thereby reducing the impact even if some XSS attempts succeed. Additionally, developers must ensure that all user inputs are strictly validated against expected formats on both client-side and server-side environments, with a strong emphasis on context-aware encoding when outputting data into HTML attributes, JavaScript variables, or CSS properties. Regular security audits and penetration testing of custom plugins are essential to identify similar flaws before they can be exploited in production environments.