CVE-2024-33907 in Print My Blog Plugin
Summary
by MITRE • 05/06/2024
Missing Authorization vulnerability in Michael Nelson Print My Blog print-my-blog.This issue affects Print My Blog: from n/a through <= 3.26.2.
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Analysis
by VulDB Data Team • 04/02/2026
The vulnerability identified as CVE-2024-33907 represents a critical missing authorization flaw within the Michael Nelson Print My Blog plugin for WordPress. This security weakness allows unauthorized users to perform administrative actions that should be restricted to authorized personnel only. The vulnerability exists in versions of the plugin ranging from the initial release through version 3.26.2, creating a substantial attack surface for malicious actors who exploit this authorization bypass. The issue stems from insufficient access controls within the plugin's code implementation, specifically in how it handles user permissions and authentication checks for various administrative functions.
From a technical perspective, this missing authorization vulnerability operates at the application layer and manifests as a failure to properly validate user privileges before executing sensitive operations. The flaw likely occurs when the plugin fails to verify whether the currently authenticated user possesses the necessary capabilities to perform certain administrative tasks. According to CWE classification, this vulnerability maps to CWE-863, which describes "Incorrect Authorization" where the application does not properly enforce authorization checks. The attack vector typically involves an unauthenticated or low-privilege user leveraging the missing authorization controls to execute actions such as modifying plugin settings, accessing restricted content, or performing administrative operations that should be limited to administrators or specific user roles.
The operational impact of this vulnerability extends beyond simple data exposure, potentially allowing attackers to compromise entire WordPress installations through the compromised plugin. Attackers could exploit this weakness to modify print settings, access sensitive data, or even install malicious code through the plugin's administrative interfaces. This vulnerability particularly affects WordPress environments where the Print My Blog plugin is installed, creating a persistent security risk that remains active until the plugin is updated or the vulnerability is patched. The implications align with ATT&CK technique T1068, which covers "Exploitation for Privilege Escalation," as unauthorized users could leverage this flaw to gain elevated privileges within the WordPress environment.
Organizations should immediately implement mitigations including updating to the latest version of the Print My Blog plugin where the authorization flaw has been addressed. The vulnerability demonstrates the critical importance of proper access control implementation in web applications, particularly in content management systems where plugins often require elevated privileges to function. Security teams should conduct thorough audits of all installed plugins to identify similar authorization issues and ensure that proper user role validation is implemented throughout the application. Additionally, network segmentation and monitoring of administrative activities can help detect potential exploitation attempts, while regular security assessments should include evaluation of plugin security posture to prevent similar vulnerabilities from emerging in the future.