Horizon Alert
Summary of the vulnerability and why it matters
This advisory addresses an unauthenticated PHP Object Injection vulnerability impacting the Meals & Wheels software. The issue allows for potential unauthorized access and manipulation of the system without needing any credentials. The primary concern is confirming whether our organization utilizes this specific software and, if so, assessing our exposure.
- Unauthenticated code injection allows system access.
- Affects specific Meals & Wheels software.
- Confirm usage and assess exposure.
Attack Path
How an attacker could exploit the issue
An attacker could exploit this vulnerability by sending specially crafted data over the network to the Meals & Wheels application. This could occur due to improper handling of serialized PHP data, potentially leading to the injection of malicious code. If successful, an attacker could gain significant control over the affected system.
- No authentication required.
- Triggered by network-accessible input.
- Risk of unauthenticated remote code execution.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability in the Meals & Wheels theme could allow an unauthenticated attacker to inject PHP objects into the application. This may lead to the deserialization of untrusted data, potentially impacting the integrity and availability of the application and its underlying system.
- Application code and behavior.
- Unauthenticated remote code execution.
- Compromise of the web application.
Operational Fix
Recommended remediation, mitigation, and detection steps
Unauthenticated PHP Object Injection in Meals & Wheels affects a WordPress theme, likely exposing public-facing websites. Responsibility falls to the application or platform team managing the WordPress instance, with support from the security team for assessing exposure and coordinating response. The first step is to identify all instances of the Meals & Wheels theme, confirm reachability, and determine business criticality to prioritize remediation efforts.
- Identify accountable application owners.
- Verify theme reachability and business impact.
- Plan targeted remediation or risk reduction.
