External risk intelligence

WoowBot Pro Max Unrestricted File Upload Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.9)

CVE-2026-57710

This vulnerability affects a WordPress plugin, which is typically deployed as part of a public-facing web application. Since the plugin's functionality is designed to be accessible to users over the web, the vulnerable file upload interface is commonly exposed to the internet in standard deployments.

Unrestricted File Upload

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability relates to the WoowBot Pro Max plugin for WordPress, allowing for the upload of malicious files. While the direct business impact is not specified, it is classified as critical due to the potential for unauthorized file uploads that could compromise the system. The primary concern is confirming if this specific plugin is in use and exposed.

Allows uploading harmful files.
Critical risk for website integrity.
Confirm usage and exposure.

Attack Path

How an attacker could exploit the issue

An attacker could upload a malicious file to the vulnerable WoowBot Pro Max component. This requires the attacker to have some level of access, such as a logged-in user. Successful exploitation allows the attacker to execute arbitrary code, potentially leading to complete system compromise.

Requires logged-in user access.
Triggered by uploading a malicious file.
Results in arbitrary code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in WoowBot Pro Max could allow an authenticated user to upload malicious files to the server. When supported by the advisory, this could impact the integrity and availability of the affected system.

Server files and configurations at risk.
Malicious files uploaded via the service.
System compromise and unauthorized access.

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical vulnerability affects the WoowBot Pro Max plugin, likely impacting web application owners and their supporting infrastructure or platform teams. The initial step is to identify all instances of this plugin, assess their exposure and business criticality, and then locate the accountable owner to prioritize remediation efforts.

Application owners should investigate plugin instances.
Verify plugin reachability and business impact.
Plan remediation based on assessed risk.

Supplementary metadata

CVSS vector

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Frequently asked questions

What is the WoowBot Pro Max plugin?

WoowBot Pro Max is a WordPress plugin designed to add chatbot functionality to websites, helping site owners automate customer interactions and support. It integrates directly into the WordPress ecosystem to manage conversational flows. Like other plugins, it extends the core platform's capabilities but also introduces additional code that can interact with the underlying server environment.

What does CWE-434 mean for CVE-2026-57710?

CWE-434 refers to an Unrestricted Upload of File with Dangerous Type. In the context of CVE-2026-57710, this means the software does not sufficiently check or limit the types of files users can upload. Because the plugin allows files to be saved to the server without adequate validation, an attacker could upload scripts or malicious code disguised as legitimate files, bypassing security controls meant to keep the system safe.

How is this file upload vulnerability triggered?

The vulnerability is triggered when a user with account access submits a malicious file through the plugin's upload interface. It does not occur if the interface is disabled or if the plugin is not installed. Because the system fails to inspect the file type, it accepts and stores the payload, which can then be executed. The attack requires the ability to interact with this specific component, meaning guests without account-level permissions are generally not the direct trigger.

Why is this CVE considered relevant to my web presence?

Halo Surface Signal indicates this is a high-priority concern because WoowBot Pro Max is a WordPress plugin, which is typically installed on public-facing web applications. Since these plugins are designed to be reached by site visitors, the vulnerable interface is often accessible over the internet. This means the risk is not limited to internal systems, but extends to any site where this plugin is reachable by users.

What should I do if I am running WoowBot Pro Max?

Your first step is to verify if your site uses WoowBot Pro Max versions 14.1.7 or earlier. Identify where the plugin is active and determine its level of access to your site. Once you have located all instances, coordinate with your technical team to prioritize removing or updating the component. Focus on restricting access to the plugin's features until you can apply official patches or remove the software to eliminate the risk of unauthorized file uploads.

References

patchstack.com/database/Wordpress/Plugin/woowbot-pro-max/vulnerabili…

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.