CVE-2026-32367 in Modal Dialog Plugin
Summary
by MITRE • 03/13/2026
Improper Control of Generation of Code ('Code Injection') vulnerability in Yannick Lefebvre Modal Dialog modal-dialog allows Remote Code Inclusion.This issue affects Modal Dialog: from n/a through <= 3.5.16.
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Analysis
by VulDB Data Team • 03/13/2026
The vulnerability identified as CVE-2026-32367 represents a critical code injection flaw within the Modal Dialog component developed by Yannick Lefebvre. This issue falls under the broader category of improper control of code generation, which is classified as CWE-94 in the Common Weakness Enumeration catalog. The vulnerability specifically enables remote code inclusion attacks, allowing malicious actors to execute arbitrary code on affected systems. The affected version range spans from an unspecified initial version through and including version 3.5.16, indicating a significant attack surface that could potentially impact numerous deployments.
The technical flaw manifests when the modal-dialog component fails to properly validate or sanitize user-supplied input that is subsequently used to generate executable code. This improper handling creates an environment where attacker-controlled data can be interpreted and executed as code by the application. The vulnerability occurs during the code generation phase, where input parameters are directly incorporated into executable code without adequate sanitization or validation mechanisms. This type of flaw commonly arises when developers assume that input data will be benign or when proper input filtering is omitted from the code generation pipeline.
Operationally, this vulnerability presents a severe risk to affected systems as it enables remote code execution capabilities without requiring authentication. An attacker could exploit this vulnerability by crafting malicious input that gets processed by the modal-dialog component and subsequently executed on the target system. The implications extend beyond simple code injection, as successful exploitation could allow attackers to gain full control over affected applications, potentially leading to data breaches, system compromise, or further lateral movement within network environments. The remote nature of this vulnerability means that attackers can exploit it from anywhere on the internet without needing physical access to the target system.
Mitigation strategies should focus on implementing robust input validation and sanitization mechanisms throughout the application code. The most effective approach involves ensuring that all user-supplied input is properly escaped or encoded before being processed by any code generation functions. Developers should implement proper parameterized queries and avoid dynamic code generation where possible. Additionally, the affected modal-dialog component should be updated to version 3.5.17 or later, which contains the necessary patches to address this vulnerability. Security measures should also include network segmentation, monitoring for suspicious code execution patterns, and implementing web application firewalls to detect and block malicious input attempts. Organizations should conduct thorough security assessments to identify all instances of this vulnerable component and ensure complete remediation across their infrastructure. The vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, as it enables adversaries to execute arbitrary code through the injection mechanism.