Orbit Fox by ThemeIsle Vulnerability – Authenticated Stored Cross-Site Scripting – CVE-2023-6781 | WordPress Plugin Vulnerability Report


Plugin Name: Orbit Fox by ThemeIsle

Key Information:

  • Software Type: Plugin
  • Software Slug: themeisle-companion
  • Software Status: Active
  • Software Author: themeisle
  • Software Downloads: 10,910,881
  • Active Installs: 200,000
  • Last Updated: January 5, 2024
  • Patched Versions: <= 2.10.26
  • Affected Versions: 2.10.27

Vulnerability Details:

  • Name: Orbit Fox Companion <= 2.10.26
  • Title: Authenticated (Contributor+) Stored Cross-Site Scripting via custom fields
  • Type: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
  • CVE: CVE-2023-6781
  • CVSS Score: 6.4
  • Publicly Published: January 5, 2024
  • Researcher: Nex Team
  • Description: The Orbit Fox by ThemeIsle plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's custom fields in all versions up to, and including, 2.10.26 due to insufficient input sanitization and output escaping on user supplied values. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.


The Orbit Fox by ThemeIsle plugin for WordPress has a vulnerability in versions up to and including 2.10.26 that allows authenticated attackers with contributor-level and above permissions to perform Stored Cross-Site Scripting via the plugin's custom fields. This vulnerability has been patched in version 2.10.26.

Detailed Overview:

The vulnerability arises from insufficient input sanitization and output escaping on user-supplied values in the plugin's custom fields. Authenticated attackers with contributor-level and above permissions can exploit this weakness, injecting arbitrary web scripts in pages. The risk involves executing these scripts whenever a user accesses an injected page. To address this vulnerability, users are strongly advised to update to version 2.10.26.

Advice for Users:

  • Immediate Action: Update the Orbit Fox by ThemeIsle plugin to version 2.10.26 or later.
  • Check for Signs of Vulnerability: Review your website for any unexpected scripts or behaviors, particularly in custom fields.
  • Alternate Plugins: Consider using alternative plugins that offer similar functionality as a precaution.
  • Stay Updated: Regularly update your WordPress plugins to the latest versions to avoid vulnerabilities.


The quick response from the Orbit Fox by ThemeIsle developers to patch this vulnerability emphasizes the importance of timely updates. Users are advised to ensure that they are running version 2.10.26 or later to secure their WordPress installations.


Simplifying Website Security for Busy Owners

As a busy website owner without ample time to stay on top of every threat, keeping your site secure can feel impossible. But vulnerabilities like the one recently patched in the popular Orbit Fox plugin only reinforce why vigilance matters. In this post I’ll simplify security for you by clearly explaining the vulnerability, your risk level, and actionable ways to lock down your website in minutes.

Understanding the Orbit Fox Vulnerability

Orbit Fox by ThemeIsle aids over 200,000 WordPress users with site management and performance optimizations. This week a security researcher disclosed a vulnerability in versions up to 2.10.26 enabling some authenticated users to inject malicious scripts without authorization.

Specifically, the bug stems from insufficient input sanitization in custom fields. Users with contributor access and above could exploit this to introduce rogue JavaScript or HTML designed to trigger when other visitors load affected pages. Depending on the script’s nature, this could enable nuisances like auto-playing audio or video rather than directly stealing data.

The developers have now released version 2.10.27 to fully fix the vulnerability, scoring a moderate 6.4 CVSS severity rating due to limiting the affected user roles. Still, Orbit Fox users face unnecessary risk until updating.

Assessing Your Site’s Risk Level

While branded moderately severe rather than extremely critical, the vulnerability still poses unnecessary website exposure risks if contributors freely add content. Attackers could leverage scripts for everything from annoying visitors to attempting drive-by malware downloads or mining cryptocurrency using visitor hardware.

The good news is that sites fully restricting contributor permissions likely face minimal real-world risk even before patching. But everyone should still update regardless since the vector exists without good reason. Ending unnecessary vulnerabilities keeps your site safer regardless of the low current exploitation probability.

Updating to Eliminate the Vulnerability

If Orbit Fox is active on your WordPress site, you should:

  • Immediately update to v2.10.27, which specifically repairs this bug by sanitizing data.
  • Check all custom fields and scripts for anything suspicious or unintended.
  • Consider temporarily disabling custom fields until assessing the script risk.
  • Restrict contributor permissions to only legitimately needed powers.

Staying Secure Long-Term

Orbit Fox has faced 4 previous vulnerabilities over the past few years, indicating systemic issues around data validation. From arbitrary surveys to remote code execution, threats inevitably arise without diligent auditing and patching.

As tempting as neglecting security feels for overloaded owners, a well-hardened site takes little effort:

  • Enable automatic background updates for all plugins to remove the manual chore.
  • Minimize plugins and themes to only those reputable options essential for your needs.
  • Leverage managed WordPress hosts handling technical tasks like updates for you.

Staying Secure

Staying on top of WordPress security can feel overwhelming for small business owners without dedicated IT staff. At Your WP Guy, we exist to shoulder that burden for you. Our WordPress experts can fully audit, secure, maintain and support your site - so you can focus on growing your business with peace of mind.

Don't tackle security risks alone. Let us help you assess any impact from this vulnerability, update your plugins, and implement ongoing maintenance to avoid future threats. We treat your website like it's our own - because we know how critical it is for reaching your customers.

Get in touch for a free consultation today on making WordPress security stress-free. Call 678-995-5169 or book a call here. Our knowledgeable team is ready to help you safeguard your online presence.


Orbit Fox by ThemeIsle Vulnerability – Authenticated Stored Cross-Site Scripting – CVE-2023-6781 | WordPress Plugin Vulnerability Report FAQs

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