CVE-2025-28884 in WP Bulk Post Duplicator Plugin
Summary
by MITRE • 03/11/2025
Cross-Site Request Forgery (CSRF) vulnerability in Rajesh Kumar WP Bulk Post Duplicator allows Cross Site Request Forgery. This issue affects WP Bulk Post Duplicator: from n/a through 1.2.
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Analysis
by VulDB Data Team • 03/12/2025
The Cross-Site Request Forgery vulnerability identified as CVE-2025-28884 resides within the Rajesh Kumar WP Bulk Post Duplicator plugin for WordPress systems. This security flaw represents a critical weakness in the plugin's authentication and authorization mechanisms, specifically affecting versions ranging from the initial release through version 1.2. The vulnerability stems from the plugin's failure to implement proper anti-CSRF token validation during critical administrative operations. According to CWE-352, this classification indicates a well-established weakness in web application security where malicious actors can trick authenticated users into executing unwanted actions on vulnerable web applications. The vulnerability operates by exploiting the trust relationship between the web application and the user's browser, allowing unauthorized commands to be executed without the user's knowledge or consent.
The technical implementation of this CSRF flaw manifests in the plugin's administrative interfaces where bulk post duplication functionality is exposed. When a legitimate user with appropriate privileges accesses the plugin's administrative panel, the application fails to validate that the incoming requests originate from the legitimate user interface rather than from malicious third-party sites. This absence of proper token verification creates a pathway for attackers to craft malicious requests that leverage the authenticated user's session cookies to perform unauthorized post duplication operations. The vulnerability is particularly concerning in WordPress environments where administrators often maintain persistent sessions with elevated privileges, making the potential impact of exploitation significantly more severe. The lack of CSRF protection mechanisms directly violates fundamental web security principles and aligns with ATT&CK technique T1566.002, which describes the use of credential hijacking to execute malicious commands through forged requests.
The operational impact of this vulnerability extends beyond simple data duplication, as it can enable attackers to manipulate content, potentially introducing malicious code or spam content into the WordPress installation. An attacker could leverage this vulnerability to duplicate posts containing malicious payloads, create spam content, or even establish persistent backdoors within the compromised system. The attack surface is particularly wide given that WordPress administrators frequently perform bulk operations, making the exploitation of this CSRF flaw a high-value target for threat actors. The vulnerability also creates opportunities for more sophisticated attacks such as account takeover or privilege escalation if the plugin's functionality extends to other administrative tasks beyond simple post duplication. Security researchers should note that this vulnerability demonstrates a common pattern in plugin development where core security controls are either omitted or inadequately implemented, particularly in the authentication verification phase of web applications.
Mitigation strategies for CVE-2025-28884 should prioritize immediate plugin updates to versions that implement proper CSRF token validation and anti-forgery mechanisms. System administrators should ensure that all WordPress installations maintain current plugin versions and regularly audit their plugin ecosystem for security vulnerabilities. The implementation of additional security measures such as web application firewalls, proper session management, and regular security scanning can provide defense-in-depth protection against exploitation attempts. Organizations should also consider implementing Content Security Policy headers and other browser-based protections to reduce the effectiveness of potential CSRF attacks. Regular security assessments and vulnerability scanning should include checks for CSRF vulnerabilities in all web applications and plugins, as this particular weakness represents a common vector for web-based attacks. The vulnerability underscores the importance of following security best practices in plugin development and the necessity of thorough security testing before deploying any web application components.