CVE-2024-0369 in Bulk Edit Post Titles Plugin
Summary
by MITRE • 03/13/2024
The Bulk Edit Post Titles plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the bulkUpdatePostTitles function in all versions up to, and including, 5.0.0. This makes it possible for authenticated attackers, with subscriber access and above, to modify the titles of arbitrary posts.
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Analysis
by VulDB Data Team • 04/12/2026
The Bulk Edit Post Titles plugin for WordPress presents a critical authorization vulnerability that undermines the platform's security model. This flaw exists within the bulkUpdatePostTitles function where the plugin fails to verify user permissions before executing data modification operations. The vulnerability affects all versions up to and including 5.0.0, representing a significant risk to WordPress installations that rely on this plugin for administrative tasks. The missing capability check creates a privilege escalation vector that allows attackers with minimal access levels to manipulate content beyond their intended permissions.
The technical implementation of this vulnerability stems from the absence of proper access control validation within the plugin's core functionality. When an authenticated user with subscriber-level privileges or higher invokes the bulkUpdatePostTitles function, the system does not verify whether the user possesses the necessary permissions to modify post titles across the entire site. This oversight directly violates fundamental security principles of least privilege and proper authorization checks. The vulnerability aligns with CWE-284, which specifically addresses inadequate access control mechanisms, and represents a classic example of insufficient authorization validation in web applications. The flaw operates at the application layer where user input is processed without adequate permission verification, creating an exploitable condition that bypasses WordPress's built-in capability management system.
The operational impact of this vulnerability extends beyond simple data modification, as it enables attackers to manipulate content in ways that could compromise site integrity and potentially facilitate further attacks. An authenticated attacker could modify titles of posts they do not own, potentially disrupting content organization, misleading visitors, or creating confusion within the site's information architecture. The vulnerability becomes particularly dangerous in multi-user environments where attackers might exploit it to modify high-visibility posts, alter SEO metadata, or manipulate content that has been assigned to other users. This capability could be leveraged to create social engineering attacks, manipulate search engine rankings, or undermine the credibility of the WordPress installation. According to ATT&CK framework, this vulnerability maps to T1078 Valid Accounts and T1566 Phishing, as it allows attackers to leverage existing user accounts to perform unauthorized modifications.
Mitigation strategies for this vulnerability require immediate action from site administrators to update to patched versions of the Bulk Edit Post Titles plugin. The vulnerability cannot be effectively addressed through configuration changes alone, as it represents a code-level flaw that must be corrected through software updates. Site administrators should conduct thorough security audits to identify all installations of this plugin and ensure they are running the latest versions that contain the necessary capability checks. Additionally, implementing network-level monitoring to detect unusual bulk modification patterns can provide early warning of potential exploitation attempts. The recommended approach aligns with NIST SP 800-53 security controls, particularly those related to access control and system monitoring. Organizations should also consider implementing role-based access control policies that minimize user privileges and regularly review user permissions to reduce the attack surface. The vulnerability demonstrates the critical importance of validating all user actions against proper authorization checks, especially in content management systems where data integrity is paramount.