External risk intelligence

WordPress Travelscape Theme Arbitrary File Upload Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.3)

CVE-2024-58349

The vulnerability exists in a WordPress theme, which is a component of a web application. WordPress sites are commonly deployed as public-facing web services, making the theme's functionality, including upload features, reachable via the internet.

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

A critical vulnerability has been identified in a popular WordPress theme, allowing unauthenticated attackers to upload and execute malicious files. This could lead to unauthorized code execution on affected websites, posing a significant risk to system integrity and data security. The main concern is confirming relevance and exposure to understand potential impact.

Unauthenticated file upload allows remote code execution.
Critical theme flaw impacts website security and data.
Assess relevance and confirm exposure across your sites.

Attack Path

How an attacker could exploit the issue

Attackers can exploit this vulnerability by uploading malicious files through an affected WordPress theme's upload feature. This feature lacks sufficient validation, allowing attackers to place arbitrary files within the theme's directory. Once uploaded, these files can be executed, leading to remote code execution on the web server.

Unauthenticated access required.
Upload functionality is the trigger.
Risk of remote code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in the Travelscape WordPress theme could allow an unauthenticated attacker to upload and execute malicious files on the affected WordPress installation. This could lead to the compromise of the website and its underlying server when the theme's upload functionality is accessible and the uploaded file is executable.

Malicious files could be uploaded.
Insufficient validation allows uploads.
Remote code execution is possible.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in a WordPress theme impacts application owners responsible for website content and functionality. The initial step is to locate all instances of the affected theme, confirm their exposure and business criticality, and identify the specific website owner. Remediation planning should then align with the identified risk level.

Application owners must address this.
Verify theme presence and reachability.
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.

Free EASM Trial See How Signal Works

Frequently asked questions

What is the Travelscape theme for WordPress?

Travelscape is a specific visual and functional template designed for WordPress, the widely used content management system. Themes like this define the layout, styling, and sometimes additional features of a website, allowing site administrators to customize the user experience. Because it integrates directly into the WordPress core, any security flaws within the theme's code can affect the broader functionality and security of the entire website installation.

What does CWE-434 mean regarding CVE-2024-58349?

CWE-434 refers to an 'Unrestricted Upload of File with Dangerous Type.' In the context of CVE-2024-58349, it means the theme's upload feature fails to adequately check or restrict what kind of files a user can submit. Because the software does not properly filter these inputs, an attacker can bypass standard security to upload malicious scripts directly to the server, which can then be triggered to run unauthorized commands.

How do attackers trigger this vulnerability?

Attackers exploit this by interacting with the theme's file upload mechanism. They do not need a legitimate user account or any prior authorization to do this. The vulnerability is not triggered by standard browsing or viewing the site; it specifically requires the attacker to send a specially crafted file through the upload interface. If the system does not validate that the file is safe, it saves it to the server, making it possible to execute.

Why does Halo Surface Signal categorize this as external?

Halo Surface Signal identifies this as an external risk because WordPress themes are components of web applications typically hosted on public-facing servers. Since the upload functionality is reachable via the internet, it is exposed to anyone who can navigate to the site, rather than being restricted to internal, private networks. This accessibility increases the likelihood that an attacker could identify and target the vulnerable upload path.

Do I need to check my WordPress sites for this theme?

Yes. If you manage or oversee WordPress installations, you should start by auditing your environment to determine if Travelscape version 1.0.3 is currently installed. Once you have an inventory, confirm which of these sites are accessible from the internet and prioritize those for review. Your goal is to identify active instances so you can plan the necessary updates or mitigation steps to remove the risk of unauthorized file execution.

References

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.