CVE-2026-57766 in WPIDE Plugin
Summary
by MITRE • 07/02/2026
Unauthenticated Cross Site Request Forgery (CSRF) in WPIDE – File Manager & Code Editor <= 3.5.6 versions.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 07/02/2026
This vulnerability represents a critical security flaw in the WPIDE plugin for WordPress, specifically affecting versions up to and including 3.5.6. The issue manifests as an unauthenticated cross site request forgery vulnerability that allows attackers to perform unauthorized actions on behalf of victims without requiring authentication credentials. The vulnerability stems from the plugin's failure to implement proper CSRF protection mechanisms in its file management and code editing functionalities, creating a pathway for malicious actors to exploit the system through crafted requests.
The technical implementation flaw occurs within the plugin's handling of HTTP requests related to file operations and code modifications. When users access the WPIDE interface, the plugin processes various actions such as file uploads, deletions, modifications, and directory creations without sufficient validation of request origins or authentication tokens. This absence of anti-CSRF measures means that an attacker can construct malicious requests that appear legitimate to the WordPress installation when executed through a victim's browser session. The vulnerability is particularly dangerous because it operates entirely outside the normal authentication flow, allowing attackers to perform administrative actions on vulnerable sites without needing valid user credentials.
The operational impact of this vulnerability extends beyond simple data manipulation to encompass complete system compromise potential. Attackers can leverage the CSRF flaw to upload malicious files, modify existing code, delete critical system components, or establish persistent backdoors within WordPress installations. This capability directly violates fundamental security principles and creates opportunities for further exploitation including privilege escalation, data exfiltration, and establishment of command and control channels. The vulnerability affects not just individual user accounts but entire WordPress installations, potentially compromising multiple sites hosted on the same server infrastructure.
Security professionals should immediately implement mitigations including immediate plugin updates to versions that address the CSRF implementation gaps, along with network-level protections such as web application firewalls that can detect and block suspicious request patterns. Organizations must also conduct thorough security audits of their WordPress installations to identify any other plugins or themes that may exhibit similar vulnerabilities. The flaw aligns with CWE-352 which specifically addresses cross site request forgery weaknesses in software implementations, and corresponds to ATT&CK technique T1059.007 for scripting languages and T1566.001 for credential access through social engineering vectors. Additionally, the vulnerability demonstrates characteristics of T1484.001 related to account manipulation and T1213.002 concerning data from information repositories, highlighting the comprehensive nature of potential exploitation paths available to threat actors.
Organizations should prioritize patch management workflows to ensure all WordPress installations receive immediate updates addressing this vulnerability. Beyond remediation efforts, security teams must implement proper input validation, implement robust anti-CSRF token mechanisms, and establish monitoring procedures to detect anomalous file system activities that may indicate exploitation attempts. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security controls in content management systems and the necessity of comprehensive security testing for all web application components including plugins and themes that extend core platform functionality.