CVE-2023-51681 in Duplicator Plugin
Summary
by MITRE • 02/28/2024
Cross-Site Request Forgery (CSRF) vulnerability in Duplicator Duplicator – WordPress Migration & Backup Plugin.This issue affects Duplicator – WordPress Migration & Backup Plugin: from n/a through 1.5.7.
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Analysis
by VulDB Data Team • 04/15/2026
The Cross-Site Request Forgery vulnerability identified as CVE-2023-51681 resides within the Duplicator WordPress plugin, a widely used tool for migrating and backing up wordpress sites. This vulnerability represents a critical security flaw that allows attackers to perform unauthorized actions on behalf of authenticated users. The affected plugin version range extends from the initial release through version 1.5.7, indicating that users running any version within this spectrum remain at risk. The vulnerability specifically impacts the plugin's handling of user requests and authentication mechanisms, creating a pathway for malicious actors to exploit the trust relationship between users and the web application. The issue stems from the plugin's failure to properly validate and verify the origin of requests, which is a fundamental security principle in web application development.
The technical implementation of this CSRF vulnerability involves the absence of proper anti-CSRF tokens or mechanisms within the plugin's administrative interfaces. When users access the Duplicator plugin's administrative functions, the system should verify that requests originate from legitimate sources and contain valid authentication tokens. However, the flaw allows attackers to craft malicious requests that appear to come from authenticated users, potentially enabling them to execute administrative actions without proper authorization. This weakness directly violates the principle of request integrity verification and represents a classic CSRF attack vector. The vulnerability can be exploited through various means including social engineering campaigns where users are tricked into clicking malicious links or through compromised websites that embed malicious requests. The attack typically involves embedding forged requests within web pages or email content that, when executed by an authenticated user, perform unintended operations within the context of the target WordPress site.
The operational impact of this vulnerability extends beyond simple data compromise to include potential system takeover and complete site control. Attackers exploiting this CSRF flaw could perform critical administrative functions such as creating new user accounts, modifying existing user permissions, altering site configurations, or executing backup and migration operations that could lead to data loss or corruption. The implications are particularly severe for WordPress sites relying on the Duplicator plugin for their backup and migration processes, as these operations often involve sensitive system information and can be leveraged to establish persistent access. The vulnerability affects not just individual user accounts but potentially the entire WordPress installation, making it a high-severity issue that requires immediate attention. Organizations running vulnerable versions may face data breaches, service disruption, and potential regulatory compliance violations depending on the nature of the compromised data.
Mitigation strategies for CVE-2023-51681 should prioritize immediate plugin updates to versions that have addressed the CSRF vulnerability. Users should also implement additional security measures including enabling two-factor authentication, restricting administrative access to trusted IP addresses, and monitoring for unusual administrative activities. The implementation of Content Security Policy headers can provide additional protection against certain CSRF attack vectors by restricting the sources from which scripts can be loaded. Security professionals should also consider implementing web application firewalls that can detect and block suspicious request patterns associated with CSRF attacks. Organizations should conduct comprehensive security assessments of their WordPress installations to identify other potential vulnerabilities and ensure that all plugins and themes are kept up to date. The vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses, and represents a violation of the principle of least privilege that is fundamental to secure system design. This issue also maps to ATT&CK technique T1548.002 which covers abuse of cloud infrastructure, as compromised WordPress sites can be leveraged for further attack activities within cloud environments.