Horizon Alert
Summary of the vulnerability and why it matters
This vulnerability affects Pagekit CMS, a web content management system, specifically in its file storage component. It allows authenticated users to upload malicious files, potentially leading to the execution of arbitrary code on the system. The main concern is confirming relevance and exposure to this type of content management system.
- Authenticated users can upload malicious code.
- It allows attackers to run unauthorized code.
- Confirm relevance and assess potential exposure.
Attack Path
How an attacker could exploit the issue
An attacker with existing access to the Pagekit CMS can exploit a vulnerability in the `/storage/poc.php` component by uploading a specially crafted PHP file. This could allow them to execute arbitrary code on the server.
- Requires authenticated access.
- Uploading a crafted PHP file.
- Arbitrary code execution on the server.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability could allow an authenticated attacker to upload and execute arbitrary code on the server when supported by the advisory's context. This could affect the integrity and availability of the system.
- Server-side code execution is at risk.
- Arbitrary file upload via a PHP component.
- Complete server compromise is possible.
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability affects authenticated users of Pagekit CMS. The first step is to identify all instances of Pagekit CMS within your environment, determine their reachability and business criticality, and locate the accountable owner for each instance to prioritize remediation efforts.
- Identify Pagekit CMS instances and owners.
- Verify external reachability and business impact.
- Plan risk-based remediation actions.
