CVE-2026-32460 in Ultimate Addons for Contact Form 7 Plugin
Summary
by MITRE • 03/13/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themefic Ultimate Addons for Contact Form 7 ultimate-addons-for-contact-form-7 allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ultimate Addons for Contact Form 7: from n/a through <= 3.5.36.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 03/13/2026
This cross-site scripting vulnerability exists within the Themefic Ultimate Addons for Contact Form 7 plugin, specifically impacting versions through 3.5.36. The flaw stems from improper neutralization of input during web page generation, creating an avenue for malicious script execution in the context of a victim's browser session. The vulnerability manifests when user-supplied data is inadequately sanitized before being rendered in web pages, allowing attackers to inject malicious javascript code that persists in the application's output. This represents a classic xss flaw categorized under CWE-79, which addresses improper neutralization of input during web page generation, making it a significant concern for web application security.
The exploitation of this vulnerability occurs through incorrectly configured access control security levels within the plugin's implementation. Attackers can craft malicious input that bypasses the plugin's security mechanisms, allowing them to inject javascript payloads that execute in the context of other users who view affected pages. The vulnerability specifically affects the contact form 7 integration where user input is processed and displayed, creating a persistent threat vector. This issue falls under the ATT&CK framework's technique T1190 for exploit public-facing application, and T1059.007 for scripting languages, as it enables attackers to execute malicious scripts against unsuspecting users.
The operational impact of this vulnerability extends beyond simple script injection, potentially enabling attackers to steal session cookies, perform actions on behalf of authenticated users, or redirect victims to malicious sites. Given that contact form 7 is a widely used plugin, the potential attack surface is substantial, particularly in environments where the plugin is deployed without proper security hardening. The vulnerability allows for privilege escalation through session hijacking, as attackers can capture user sessions and impersonate legitimate users. Additionally, the flaw can be leveraged for data exfiltration, where sensitive information submitted through contact forms could be intercepted and stolen by malicious actors.
Mitigation strategies should focus on immediate patching to version 3.5.37 or later, which addresses the input sanitization issues. Administrators should implement comprehensive input validation and output encoding for all user-supplied data, particularly within form processing components. The implementation of content security policies can provide additional protection layers, preventing script execution in the browser context. Security headers including x-content-type-options and x-frame-options should be properly configured to reduce the attack surface. Regular security audits of plugin configurations are essential, ensuring that access control mechanisms are properly enforced and that no incorrect security levels are configured. Organizations should also consider implementing web application firewalls to detect and block malicious input patterns, while maintaining detailed logging of form submissions for security monitoring purposes.