CVE-2026-28105 is a critical deserialization of untrusted data vulnerability in the ThemeREX Good Energy theme, which allows for object injection. This vulnerability affects all versions of the Good Energy theme up to and including version 1.7.7. The CVSS score for this vulnerability is 9.8, indicating a critical severity level, underscoring the importance of addressing this issue promptly.
Organizations using the affected theme should prioritize patching immediately, as the risk to organizations includes potential unauthorized access and exploitation by attackers. The vulnerability's attack vector is network-based, requiring no privileges or user interaction, which further emphasizes the urgency of remediation.
Currently, there are no known exploits or public proof of concepts available for this vulnerability, but the potential for exploitation remains due to its critical nature. Organizations should be vigilant in monitoring their systems for any unusual activities that may indicate attempts to exploit this vulnerability.
Given the high-impact nature of this vulnerability, organizations are strongly advised to implement the necessary patches as soon as they become available and to review their security postures to ensure they are protected against similar vulnerabilities.
Vulnerability Details
The vulnerability allows for deserialization of untrusted data, which can lead to object injection. The official description states that this issue affects the Good Energy theme from n/a through version 1.7.7. The CVSS 3.1 score attributed to this vulnerability is 9.8, and it is classified under CWE-502, indicating a critical flaw.
Technical Analysis
The root cause of the vulnerability lies in the improper handling of untrusted data during the deserialization process. This vulnerability can be exploited via network attacks, with a low complexity level. No privileges are required, and user interaction is not necessary, making it highly accessible for potential attackers.
The impacts of this vulnerability are severe, with high confidentiality, integrity, and availability impacts. Attackers may leverage this vulnerability to manipulate application behavior, leading to unauthorized access to sensitive data or even complete system compromise.
Risk & Impact Analysis
The deployment risk associated with this vulnerability is significant, especially for organizations utilizing the Good Energy theme in production environments. The potential blast radius could affect all users and systems relying on this theme, leading to widespread vulnerabilities if not addressed quickly.
Organizations should assess their environments for the presence of this theme and prioritize patching in their upcoming maintenance cycles. The urgency is underscored by the critical CVSS score and the potential for exploitation by attackers.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
This vulnerability affects the Good Energy theme versions from n/a through 1.7.7. Organizations utilizing these versions should take immediate action to remediate the vulnerability.
Mitigation & Remediation
Organizations should monitor for updates from the vendor regarding patches for this vulnerability. If a patch is not available, consider disabling the theme until a fix can be applied. Additionally, implementing network controls and monitoring can help mitigate the risk associated with this vulnerability.
For comprehensive security, organizations may also benefit from engaging in penetration testing to identify any additional vulnerabilities that may exist.
Detection Guidance
To detect potential exploitation attempts, organizations should monitor application logs for unusual activity related to the Good Energy theme. Behavioral anomalies, such as unexpected data serialization or deserialization events, should also be investigated. Additionally, implementing network signatures that alert on suspicious traffic patterns can enhance detection capabilities.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-28105 lies in its representation of a broader trend in software vulnerabilities related to deserialization issues. Security teams should learn from this incident to improve their application's resilience against similar attacks. Regular security assessments and adherence to secure coding practices are essential to prevent such vulnerabilities from being introduced in the first place.
For further reading on related topics, consider exploring our resources on vulnerability management programs, penetration testing methodologies, and API security best practices to enhance your organization's security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)