Horizon Alert
Summary of the vulnerability and why it matters
The Ultimate Addons for Elementor Forms WordPress plugin has a critical vulnerability that allows attackers to upload malicious files, potentially leading to unauthorized code execution. This issue is particularly concerning as it affects a public-facing component of websites, increasing the likelihood of exploitation.
- Allows malicious file uploads via forms.
- Critical flaw in widely used WordPress forms.
- Confirm relevance and assess exposure.
Attack Path
How an attacker could exploit the issue
An attacker can exploit this vulnerability by uploading a malicious file through the file upload field in a form created by the Ultimate Addons for Elementor Forms plugin. Since no authentication is required, any unauthenticated user can access this feature. Successful exploitation allows the attacker to execute arbitrary code on the server, potentially leading to a complete compromise of the affected WordPress site.
- No authentication needed.
- Upload a malicious file.
- Remote code execution.
Live Threat
Current exploitation, exposure, and threat context
When supported by the advisory, unauthenticated users could upload arbitrary files, such as PHP scripts, through a vulnerable file upload field. This could lead to the execution of these scripts on the affected system, potentially compromising its integrity and allowing for further malicious activity.
- Arbitrary file uploads on the server.
- Unauthenticated users can upload malicious files.
- Remote code execution on the server.
Operational Fix
Recommended remediation, mitigation, and detection steps
The Ultimate Addons for Elementor Forms WordPress plugin's file upload vulnerability impacts website owners and their web application security teams. The first critical step is to identify all instances of this plugin across your WordPress deployments, confirm their internet reachability and business criticality, and then assign ownership for remediation.
- Website owners and security teams should own.
- Verify plugin presence and internet exposure.
- Plan remediation based on identified risk.
