Executive Summary

CVE-2026-22505 is a critical vulnerability in the WordPress Morning Records theme versions up to and including 1.2. It is a PHP Object Injection vulnerability that allows unauthenticated attackers to inject malicious objects into the application.

This vulnerability arises from deserialization of untrusted data, which can be exploited to perform various malicious actions if a suitable Property Oriented Programming (POP) chain is available.

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Impact Analysis

Exploitation of this vulnerability can lead to severe consequences including remote code execution, SQL injection, path traversal, denial of service, and other attacks.

Because the vulnerability allows unauthenticated attackers to perform PHP Object Injection, it poses a high risk of mass exploitation campaigns that can affect thousands of websites regardless of their traffic or popularity.

No official patch was available as of the publication date, but mitigation rules from Patchstack can block exploitation attempts temporarily.

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Mitigation Strategies

Immediate mitigation involves applying the Patchstack mitigation rule that can block exploitation attempts of this vulnerability until an official patch is released.

Users are strongly advised to apply this mitigation immediately or seek assistance from their hosting provider or web developer.

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Compliance Impact

The CVE-2026-22505 vulnerability allows unauthenticated attackers to perform PHP Object Injection, potentially leading to remote code execution, SQL injection, path traversal, denial of service, and other attacks. Such security breaches can result in unauthorized access to sensitive data or disruption of services.

While the provided information does not explicitly mention compliance with standards like GDPR or HIPAA, vulnerabilities that enable unauthorized data access or system compromise can negatively impact compliance with these regulations, which require protection of personal and sensitive information.

Therefore, organizations using the affected Morning Records theme versions may face increased risk of non-compliance with data protection regulations if this vulnerability is exploited.

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Detection Guidance

There is no specific information provided about detection commands or methods for CVE-2026-22505 in the available resources.

However, Patchstack has issued a mitigation rule that can block exploitation attempts until an official patch is released. Users are advised to apply this mitigation or seek assistance from their hosting provider or web developer.

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