CVE-2026-32568 in Designer Pro Plugin
Summary
by MITRE • 10/06/2026
Subscriber Remote Code Execution (RCE) in WooCommerce Designer Pro <= 1.9.33 versions.
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Analysis
by VulDB Data Team • 10/06/2026
The vulnerability identified as Subscriber Remote Code Execution within the WooCommerce Designer Pro plugin, affecting versions up to and including 1.9.33, represents a critical security flaw that allows authenticated attackers with subscriber-level privileges to execute arbitrary code on the target server. This issue stems from insufficient input validation and improper access control mechanisms embedded in the plugin's handling of user-submitted data. Specifically, the vulnerability arises because the application fails to adequately sanitize or validate inputs associated with design templates or customization features before processing them through backend functions that may involve file system operations or dynamic code evaluation. By exploiting this weakness, an attacker can inject malicious payloads into these input fields, which are then executed by the server-side environment, typically PHP, leading to a complete compromise of the web application and potentially the underlying host operating system.
From a technical perspective, this vulnerability is classified under CWE-94 Improper Control of Generation of Code (Code Injection) or CWE-78 OS Command Injection, depending on the specific vector utilized by the attacker within the plugin's architecture. The root cause lies in the lack of strict type checking and context-aware escaping for data that flows into sensitive functions such as eval(), system(), exec(), or file inclusion routines. In many WordPress plugins, subscriber roles are intended to have limited capabilities, primarily focused on viewing content or managing basic profile settings. However, due to this flaw, the privilege boundary is effectively bypassed because the application trusts input from users with low-level privileges without applying rigorous security checks that would be expected for higher-privileged actions like theme editing or plugin configuration. This misalignment between intended access control and actual implementation allows a subscriber to perform administrative-level operations remotely.
The operational impact of this vulnerability is severe, as it grants an attacker full remote code execution capabilities on the web server hosting the WordPress instance. Once executed, the malicious code can be used to steal sensitive data such as customer credit card information stored in WooCommerce databases, hijack user sessions, install backdoors for persistent access, or pivot into other systems within the internal network if the server is not properly isolated. Attackers often leverage this type of vulnerability to deploy ransomware, cryptominers, or botnet agents, turning compromised websites into nodes for larger cybercriminal operations. Furthermore, because WooCommerce handles e-commerce transactions, a successful exploitation can lead directly to financial loss and significant reputational damage for the business owner due to data breaches and service disruption.
This incident aligns with several tactics in the MITRE ATT&CK framework, particularly T1059 Command and Scripting Interpreter, which covers the use of system shells or scripting languages like PHP to execute commands remotely. It also relates to T1136 Create Account, as attackers may create new administrator accounts via code execution to maintain persistent access even if the initial exploit vector is patched. Additionally, the vulnerability exemplifies issues related to improper privilege escalation and insufficient validation of user inputs, which are common themes in web application security failures documented by industry standards such as OWASP Top 10, specifically under Injection flaws and Broken Access Control categories.
To mitigate this risk, immediate action must be taken to update WooCommerce Designer Pro to version 1.9.34 or later, where the developers have addressed these input validation gaps and strengthened access controls for subscriber-level users. Organizations should also implement a Web Application Firewall (WAF) configured with rulesets that detect common code injection patterns in HTTP requests targeting WordPress plugins. Regular security audits and penetration testing focused on role-based access control are recommended to identify similar weaknesses across other installed plugins. Furthermore, adhering to the principle of least privilege by restricting file permissions and disabling PHP execution in upload directories can help limit the blast radius if an exploitation attempt occurs. Monitoring server logs for unusual activity patterns associated with code injection attempts provides an additional layer of defense through early detection and incident response capabilities.