Horizon Alert
Summary of the vulnerability and why it matters
This advisory concerns a critical vulnerability in the Bonbon theme, a type of technology used in web applications, which could allow unauthenticated attackers to inject malicious code. The primary concern is to confirm if this theme is in use within the organization and to assess any potential exposure.
- Unauthenticated code injection flaw in a web theme.
- Confirms relevance and exposure if theme is deployed.
- Assess usage to understand potential risk.
Attack Path
How an attacker could exploit the issue
An attacker can exploit this vulnerability by sending a specially crafted request to a vulnerable web application. This request targets a flaw in how the application handles serialized PHP data, allowing the attacker to inject malicious objects. When these objects are processed, it could lead to severe consequences for the application.
- No authentication or special privileges are required.
- Triggered by processing untrusted serialized data.
- Allows remote code execution and data compromise.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability could allow an unauthenticated attacker to execute arbitrary code on systems running Bonbon versions up to and including 1.11. This is possible when the application improperly handles serialized PHP data, potentially leading to the injection of malicious objects. The impact depends on the specific PHP object configurations and the application's environment.
- Unauthenticated code execution.
- Via improperly handled serialized data.
- Compromised system integrity and availability.
Operational Fix
Recommended remediation, mitigation, and detection steps
Real-World Ownership
This unauthenticated PHP Object Injection vulnerability in Bonbon affects web applications, likely placing ownership with application owners or platform teams responsible for managing WordPress instances and their themes. The initial step is to identify all deployments of Bonbon, determine their reachability and business criticality, and then confirm the accountable owner before planning remediation, which may involve vendor coordination.
- Application owners or platform teams.
- Verify Bonbon theme presence and exposure.
- Plan remediation or implement temporary mitigations.
