CVE-2026-94168 in Premium Addons for Elementor Plugin
Summary
by MITRE • 09/23/2026
Contributor Cross Site Scripting (XSS) in Premium Addons for Elementor <= 4.11.105 versions.
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Analysis
by VulDB Data Team • 09/23/2026
The vulnerability identified as Contributor Cross-Site Scripting within the Premium Addons for Elementor plugin, affecting versions up to and including 4.11.105, represents a significant security flaw in how user-generated content is processed and rendered on WordPress websites. This specific weakness allows attackers with contributor-level or lower privileges to inject malicious JavaScript code into web pages viewed by other users. The root cause lies in the insufficient sanitization of input fields that are accessible to contributors during the creation or editing of posts, widgets, or custom elements provided by the plugin. When these inputs are subsequently displayed on the frontend without proper encoding or validation, the browser interprets the injected scripts as legitimate code, leading to execution within the context of the victim's session.
From a technical perspective, this flaw aligns with CWE-79, which classifies improper neutralization of input during web page generation known as Cross-Site Scripting. The vulnerability typically manifests when the application fails to escape special characters such as angle brackets, quotes, or ampersands before rendering user-supplied data in HTML contexts. In the case of Premium Addons for Elementor, certain widgets or form handlers likely accept raw input from contributors and pass it directly into DOM-based structures without adequate filtering mechanisms. This lack of output encoding permits the injection of arbitrary scripts that can interact with the Document Object Model (DOM) dynamically, bypassing standard security controls designed to restrict lower-privileged users.
The operational impact of this vulnerability is substantial due to its potential for session hijacking and data theft. An attacker who successfully exploits this XSS flaw can execute malicious JavaScript in the browser of any user viewing the compromised page. This capability enables the stealing of sensitive information such as authentication cookies, session tokens, or personal data entered into forms on the site. Furthermore, the attack vector facilitates phishing campaigns where attackers can manipulate the appearance of legitimate pages to trick users into revealing credentials. Since the vulnerability requires only contributor-level access, which is often granted more freely than administrator privileges in multi-author sites, the likelihood of exploitation increases significantly compared to vulnerabilities requiring high-privilege accounts.
This incident maps directly to MITRE ATT&CK technique T1059.007, specifically JavaScript execution within web browsers, and falls under the broader category of Client-Side Attacks. The attack chain typically involves an attacker crafting a malicious payload containing script tags or event handlers like onerror or onload, embedding it into content that is visible to other users. When a victim with higher privileges, such as an editor or administrator, views this content, their browser executes the script, allowing the attacker to perform actions on behalf of the victim within the application's trust boundary. This undermines the principle of least privilege and compromises the integrity and confidentiality of the web application environment.
Mitigation strategies must focus on immediate remediation through software updates and enhanced input validation practices. The primary defense is upgrading Premium Addons for Elementor to a version greater than 4.11.105, where developers have presumably implemented stricter sanitization routines for contributor-level inputs. In the interim, site administrators should restrict the ability of contributors to use specific widgets or features that are known to be vulnerable until patches are applied. Additionally, implementing Content Security Policy headers can help mitigate the impact by restricting the sources from which scripts can be loaded and executed, thereby reducing the effectiveness of injected payloads even if they bypass input filters. Regular security audits and code reviews focusing on output encoding for all user-supplied data are essential to prevent similar vulnerabilities in future releases.