CVE-2025-62865 in Post Cloner Plugin
Summary
by MITRE • 12/09/2025
Missing Authorization vulnerability in Evan Herman Post Cloner post-cloner allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Post Cloner: from n/a through <= 1.0.0.
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Analysis
by VulDB Data Team • 12/09/2025
The vulnerability identified as CVE-2025-62865 represents a critical missing authorization flaw within the Evan Herman Post Cloner plugin, specifically affecting versions through 1.0.0. This security weakness stems from incorrectly configured access control security levels that permit unauthorized users to exploit functionality intended for privileged administrators only. The vulnerability exists within the plugin's permission handling mechanisms, where proper authentication checks are either absent or inadequately implemented, allowing malicious actors to bypass normal access restrictions.
This missing authorization issue creates a significant risk for WordPress installations utilizing the Post Cloner plugin, as it fundamentally undermines the principle of least privilege and proper access control enforcement. The flaw enables attackers to perform operations that should be restricted to users with appropriate administrative privileges, potentially leading to full system compromise. The vulnerability's impact is amplified by the fact that it affects the core access control mechanisms of the plugin, making it a critical vector for privilege escalation attacks.
From a technical perspective, this vulnerability aligns with CWE-285, which addresses improper authorization within software systems. The flaw demonstrates poor implementation of access control checks, where the plugin fails to properly verify user permissions before executing sensitive operations. The ATT&CK framework categorizes this as a privilege escalation technique, specifically under T1078 Valid Accounts and T1484.1 Group Policy Modification, as unauthorized users can gain elevated privileges through the misconfigured access controls. The vulnerability's exploitation pathway involves leveraging the plugin's functionality to perform administrative tasks without proper authentication.
The operational impact of CVE-2025-62865 extends beyond simple unauthorized access, as it can enable attackers to clone posts, potentially leading to content manipulation, data exfiltration, and system compromise. This vulnerability directly affects WordPress security posture by allowing attackers to bypass standard user management controls and access functionality that should be restricted to administrators. The risk is particularly concerning in environments where multiple users have varying permission levels, as the flaw creates a backdoor that can be exploited regardless of user role assignments.
Organizations affected by this vulnerability should immediately implement mitigations including updating to the latest version of the Post Cloner plugin, if available, or implementing temporary workarounds such as restricting plugin access through firewall rules or web application firewalls. Additionally, administrators should conduct thorough security audits to identify any unauthorized access attempts and review user permissions to ensure proper access control enforcement. The vulnerability highlights the importance of proper access control implementation and the necessity of regular security assessments to identify and remediate configuration flaws that can lead to privilege escalation attacks.