CVE-2026-27984 in Widget Options Plugin
Summary
by MITRE • 03/05/2026
Improper Control of Generation of Code ('Code Injection') vulnerability in Marketing Fire Widget Options widget-options allows Code Injection.This issue affects Widget Options: from n/a through <= 4.1.3.
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Analysis
by VulDB Data Team • 03/07/2026
The vulnerability identified as CVE-2026-27984 represents a critical code injection flaw within the Marketing Fire Widget Options plugin, specifically affecting versions through 4.1.3. This weakness falls under the broader category of improper control of code generation, a well-documented security weakness that permits malicious actors to execute arbitrary code within the affected system. The vulnerability manifests through the widget-options component of the plugin, which fails to properly validate or sanitize user input before incorporating it into executable code contexts.
The technical implementation of this vulnerability stems from inadequate input sanitization mechanisms within the plugin's code generation processes. When users interact with the widget options interface, the system accepts parameters that should be strictly validated but instead processes them directly without proper filtering or encoding. This creates an environment where malicious input can be interpreted as executable code rather than mere data, allowing attackers to inject harmful scripts or commands that execute within the context of the web application. The vulnerability is particularly dangerous because it operates at the code generation level, meaning that the injection occurs during the dynamic creation of executable code rather than simply being stored or displayed.
From an operational perspective, this code injection vulnerability presents significant risks to affected systems and their users. Attackers can leverage this weakness to execute arbitrary commands on the target server, potentially leading to full system compromise, data exfiltration, or the installation of backdoors. The impact extends beyond immediate code execution as it can enable attackers to escalate privileges, modify or delete data, and establish persistent access to the compromised environment. Given that this affects a widget plugin, the vulnerability may be exploited across multiple websites running the same plugin version, creating a widespread attack surface that could impact numerous organizations simultaneously.
Security professionals should approach mitigation through multiple defensive layers to address this vulnerability effectively. Immediate remediation involves upgrading to the latest available version of the Marketing Fire Widget Options plugin where the code injection vulnerability has been patched. Organizations must also implement robust input validation and output encoding mechanisms to prevent similar issues in other applications. The vulnerability aligns with CWE-94, which specifically addresses "Improper Control of Generation of Code ('Code Injection')" and is often categorized under ATT&CK technique T1059.007 for "Command and Scripting Interpreter: JavaScript'. Additionally, implementing web application firewalls, input sanitization, and regular security audits can provide additional protection against exploitation attempts. The remediation process should also include monitoring for any signs of compromise in affected systems and conducting thorough security assessments to ensure complete remediation of the vulnerability.