Executive Summary

CVE-2026-56032 is a high-priority PHP Object Injection vulnerability found in the BuddyBoss Platform WordPress plugin versions 3.0.4 and below.

This flaw allows attackers to inject malicious PHP objects if a suitable Property-Oriented Programming (POP) chain exists, potentially enabling code execution, SQL injection, path traversal, denial of service, and other harmful activities.

The vulnerability has a critical severity score of 9.8, indicating a very high risk to affected systems.

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Impact Analysis

If exploited, this vulnerability can lead to severe impacts including remote code execution, unauthorized database access via SQL injection, file system access through path traversal, and denial of service attacks.

These impacts can compromise the confidentiality, integrity, and availability of your WordPress site and its data.

Since the vulnerability affects all sites using the vulnerable plugin versions, it is likely to be targeted in widespread exploit campaigns.

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Mitigation Strategies

Immediate action is required to mitigate the risk of the PHP Object Injection vulnerability in BuddyBoss Platform versions 3.0.4 and below.

• Update the BuddyBoss Platform plugin to version 3.0.5 or later.
• Apply the mitigation rule provided by Patchstack if updating is not immediately possible.

Patchstack also offers automated solutions, including auto-updates for vulnerable plugins, to help secure websites quickly.

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Compliance Impact

The vulnerability in the BuddyBoss Platform Plugin (versions 3.0.4 and below) allows for critical risks such as code injection, SQL injection, path traversal, and denial of service attacks. These risks can lead to unauthorized access, data breaches, and service disruptions.

Such security incidents can impact compliance with common standards and regulations like GDPR and HIPAA, which require protection of personal and sensitive data, as well as maintaining system integrity and availability.

Failure to mitigate this vulnerability could result in violations of these regulations due to potential data exposure or service outages.

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Detection Guidance

This vulnerability affects WordPress sites running the BuddyBoss Platform Plugin version 3.0.4 or below. Detection involves identifying if the vulnerable plugin version is installed on your system.

To detect the vulnerable plugin version on your WordPress site, you can check the installed plugin version via the WordPress admin dashboard or by using WP-CLI commands.

• Use WP-CLI to list installed plugins and their versions: wp plugin list
• Look for 'buddyboss-platform' in the list and verify if the version is 3.0.4 or lower.

Network detection of exploitation attempts is not detailed in the provided resources. However, monitoring for unusual PHP object injection payloads or suspicious HTTP requests targeting the BuddyBoss plugin endpoints may help.

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