External risk intelligence

Givanz VvvebJs File Reading and SSRF Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2024-25181

VvvebJs is a drag and drop page builder and website construction tool. As a web-based application designed to create and manage public-facing websites, it is commonly deployed as an internet-accessible service to allow users to build and edit web content, making its interface and associated file handling functions, such as the one identified in this CVE, typically reachable via the internet.

Server-Side Request Forgery

Vvvebjs

1.7.4 and earlier

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

A critical vulnerability exists in VvvebJs, a web development tool, that could allow unauthorized access to server resources and sensitive files. The issue stems from how the software handles web addresses, potentially exposing systems to malicious manipulation. Understanding the relevance of this technology is key to assessing our exposure.

Flaw allows unauthorized server access and file reading.
Critical vulnerability in a web content creation tool.
Assess impact and confirm if your systems use this tool.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending a specially crafted request to a web application using the affected component. This request would target the \"save.php\" file, which improperly handles user-supplied URLs. By manipulating these URLs, an attacker could trick the application into performing unintended actions, potentially leading to unauthorized access to sensitive information or server-side request forgery.

No authentication required.
Triggered by crafted URLs in `save.php`.
Risk of data exposure and server manipulation.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an attacker to read arbitrary files from the server or make requests on behalf of the server when supported by the advisory. The system's ability to process user-supplied URLs in a specific file is impacted, potentially exposing sensitive information or enabling unauthorized actions.

Server-side files and configurations at risk.
Unauthorized requests and file reads may occur.
System compromise and sensitive data exposure.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in VvvebJs affects components likely managed by web application or platform teams, and potentially vendor management if it's a third-party integration. The first step is to locate all instances of the affected technology, assess their internet reachability and business criticality, and then identify the specific teams or individuals accountable for remediation.

Identify application or platform owners.
Verify internet exposure and criticality.
Plan remediation based on risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is VvvebJs?

VvvebJs is a drag-and-drop page builder and website construction tool used for creating and managing web content. It functions as a web-based application, which often requires it to be deployed as an internet-accessible service so that users can edit pages and manage site layouts remotely.

What does CWE-918 mean for CVE-2024-25181?

CWE-918 refers to Server-Side Request Forgery (SSRF). In this context, it means the software does not properly validate user-supplied URLs before processing them. This weakness allows the server to be tricked into making unintended requests to internal or external resources, and in this specific case, it also enables unauthorized reading of files on the server.

How is this vulnerability triggered?

An attacker triggers this flaw by sending a specially crafted request to the 'save.php' file within the VvvebJs application. Because the software improperly processes URLs provided in these requests, it executes the command using the attacker's input. The issue is specific to how this file handles user data; requests that do not target 'save.php' or that contain only legitimate, expected inputs do not trigger this specific vulnerability.

Why should I care about this CVE?

According to Halo Surface Signal, VvvebJs is typically deployed as an internet-facing application to support its role in website construction. Because the vulnerability does not require authentication to exploit, any system running an affected version of VvvebJs that is reachable over the internet is potentially accessible to unauthorized actors seeking to read sensitive server files or manipulate internal requests.

What should I do if I use VvvebJs?

Your first step is to locate all instances of VvvebJs within your environment to understand where it is deployed. Once identified, verify whether these instances are accessible from the internet and determine their business criticality. Coordinate with the relevant platform or application teams to assess the risk and prepare for necessary updates or configuration changes to mitigate the potential for unauthorized access.

References

gist.github.com/joaoviictorti/69cbae23d98fb9a1a4b3eee0c305c7de

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.