CVE-2026-62079 in Qi Addons for Elementor Plugin
Summary
by MITRE • 09/30/2026
Contributor Cross Site Scripting (XSS) in Qi Addons For Elementor <= 1.11 versions.
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Analysis
by VulDB Data Team • 09/30/2026
The vulnerability identified as a Contributor Cross-Site Scripting issue within the Qi Addons for Elementor plugin, specifically affecting versions up to and including 1.11, represents a significant security flaw rooted in inadequate input validation and output encoding mechanisms. This type of vulnerability allows attackers with lower-level privileges, such as contributors or subscribers on a WordPress site that utilizes this plugin, to inject malicious client-side scripts into web pages viewed by other users. The core technical failure lies in the application's handling of user-supplied data associated with contributor profiles or content created under their accounts. When these inputs are rendered within the frontend interface without proper sanitization, they bypass security controls designed to restrict script execution, thereby enabling the injection of arbitrary JavaScript code into the context of authenticated users who view the affected pages.
From a technical perspective, this flaw is classified under CWE-79, which denotes Improper Neutralization of Input During Web Page Generation commonly known as Cross-Site Scripting. The vulnerability likely stems from specific functions within the Qi Addons for Elementor framework that process contributor metadata or content fields and output them directly into HTML structures without applying necessary encoding routines such as htmlspecialchars or equivalent sanitization filters. Because WordPress typically assigns distinct roles to users, this particular instance is notable because it does not require administrative access. Instead, an attacker operating under a Contributor role can exploit the lack of strict validation on specific input vectors exposed by the plugin's frontend rendering logic. This lowers the barrier for exploitation significantly compared to vulnerabilities requiring admin-level privileges, as many WordPress sites allow contributors to publish content or modify profile details that are subsequently displayed publicly.
The operational impact of this vulnerability is substantial regarding data integrity and user trust. Successful exploitation allows an attacker to execute arbitrary JavaScript in the browser context of any visitor viewing the compromised page. This can lead to session hijacking through the theft of cookies containing authentication tokens, allowing the attacker to impersonate legitimate users or escalate privileges if they capture credentials for higher-level accounts. Furthermore, attackers may redirect victims to malicious phishing sites designed to steal sensitive information, deface websites by altering displayed content, or deploy malware via drive-by download techniques that exploit browser vulnerabilities. In enterprise environments where WordPress is used for internal portals or customer-facing applications, this can result in significant reputational damage and potential regulatory non-compliance regarding data protection standards such as GDPR or HIPAA if personal identifiable information is compromised through script injection.
Mitigation strategies must address both immediate remediation and long-term security posture improvements. The most effective solution is to upgrade the Qi Addons for Elementor plugin to a version later than 1.11, where developers have presumably implemented proper input sanitization and output encoding practices to neutralize malicious scripts before they are rendered in the browser. If upgrading is not immediately feasible, administrators should consider disabling the specific features or shortcodes associated with contributor profiles that trigger this vulnerability until an update can be applied. Additionally, implementing a Web Application Firewall can provide a layer of defense by filtering out requests containing known XSS payloads based on signature detection rules. It is also advisable to enforce strict Content Security Policy headers across the website to restrict the sources from which scripts can be loaded and executed, thereby mitigating the impact even if an injection attempt succeeds. Regular security audits and code reviews focusing on input validation patterns are essential for preventing similar vulnerabilities in future plugin updates or custom developments.
This vulnerability aligns with MITRE ATT&CK technique T1059, specifically sub-technique 007 which covers JavaScript execution within web browsers. Understanding this classification helps security teams map the threat to broader attack campaigns and prioritize patching efforts based on the likelihood of exploitation in their specific environment. By addressing this flaw, organizations can significantly reduce their attack surface against low-privilege attackers aiming to compromise user sessions or deface content through client-side code injection vectors inherent in poorly secured WordPress plugins.