CVE-2024-31246 in PostX Plugin
Summary
by MITRE • 06/09/2024
Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 3.2.3.
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Analysis
by VulDB Data Team • 04/02/2026
The CVE-2024-31246 vulnerability represents a critical authorization flaw within the WPXPO PostX ultimate-post plugin for WordPress systems. This security weakness stems from incorrectly configured access control mechanisms that allow unauthorized users to bypass legitimate authentication checks and gain elevated privileges. The vulnerability specifically impacts versions of the PostX plugin ranging from the initial release through version 3.2.3, indicating a prolonged period during which this flaw remained unaddressed. The issue manifests as a missing authorization check that should have prevented unauthorized access to administrative functions and sensitive data processing capabilities.
The technical implementation of this vulnerability resides in the plugin's access control validation logic where proper user role verification and permission checks are either absent or improperly enforced. Attackers can exploit this flaw by crafting specific requests that bypass the intended authorization flow, potentially gaining access to administrative interfaces, content management functions, or data manipulation capabilities that should only be available to authorized administrators. This misconfiguration creates a pathway for privilege escalation attacks where unauthenticated or low-privilege users can perform actions typically restricted to higher-level administrators. The vulnerability aligns with CWE-285, which categorizes improper authorization issues as critical security weaknesses that allow unauthorized access to protected resources.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches, content tampering, and system compromise. An attacker exploiting this vulnerability could modify or delete posts, alter plugin configurations, access sensitive user data, or even install malicious code through the compromised administrative interface. The affected system's security posture becomes significantly weakened as legitimate access controls are bypassed, potentially allowing attackers to establish persistent access or escalate privileges further within the WordPress environment. This flaw particularly affects WordPress installations where the PostX plugin is actively used for content management and publishing functions, creating a substantial attack surface for threat actors targeting these specific systems.
Organizations should implement immediate remediation measures including updating to the latest version of the PostX plugin where this vulnerability has been addressed. Security teams must also conduct comprehensive audits of their WordPress installations to identify any other plugins or themes that may exhibit similar authorization flaws. The mitigation strategy should encompass monitoring for suspicious access patterns and ensuring proper network segmentation to limit potential damage from successful exploitation attempts. Additionally, implementing web application firewalls and access control policies can provide additional layers of defense against exploitation attempts. This vulnerability demonstrates the critical importance of regular security assessments and timely patch management in maintaining robust cybersecurity postures, particularly within content management systems that handle sensitive data and user interactions.