CVE-2016-10910 in FormBuilder Plugin
Summary
by MITRE
The formbuilder plugin before 1.06 for WordPress has multiple XSS issues.
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Analysis
by VulDB Data Team • 11/28/2023
The CVE-2016-10910 vulnerability affects the formbuilder plugin version 1.05 and earlier for WordPress, representing a critical cross-site scripting weakness that compromises user security. This vulnerability exists within the plugin's handling of user input and form data processing, creating an attack vector where malicious actors can inject malicious scripts into web pages viewed by other users. The flaw stems from insufficient output sanitization and validation of form data submitted through the WordPress admin interface, allowing attackers to execute arbitrary JavaScript code in the context of victims' browsers.
The technical implementation of this vulnerability demonstrates poor input validation practices and inadequate output encoding within the plugin's form processing mechanisms. Attackers can exploit this weakness by crafting malicious payloads in form fields or configuration parameters that are then rendered without proper sanitization. The vulnerability affects multiple aspects of the plugin's functionality, including form creation, data handling, and user interface elements, making it particularly dangerous as it can be leveraged across various attack scenarios. The issue aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities, and represents a classic example of insecure input handling in web applications.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform session hijacking, steal user credentials, redirect victims to malicious sites, or even modify form data in transit. Users with administrative privileges face heightened risk as attackers could potentially escalate their privileges or gain full control over affected WordPress installations. The vulnerability affects all users who interact with forms created through the compromised plugin, making it particularly dangerous in environments where multiple users contribute to form creation or management. This weakness creates a persistent threat vector that remains active until the plugin is updated to version 1.06 or later.
Mitigation strategies for CVE-2016-10910 require immediate action to update the formbuilder plugin to version 1.06 or higher, which includes proper input validation and output sanitization measures. System administrators should also implement additional security controls such as web application firewalls to monitor for suspicious script injection attempts and conduct regular security audits of installed WordPress plugins. The vulnerability demonstrates the importance of maintaining up-to-date software components and implementing proper security validation mechanisms. Organizations should consider implementing content security policies to prevent unauthorized script execution and establish automated monitoring systems to detect potential exploitation attempts. This vulnerability also highlights the necessity of following secure coding practices including input validation, output encoding, and regular security testing as outlined in the ATT&CK framework's defense-in-depth strategies.