What’s Vulnerable › Vulnerabilities

CVE-2024-8741: Beam me up Scotty – Back to Top Button <= 1.0.21 - Reflected Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-25 · updated 2026-06-17
• Weakness: CWE-79

Description

The Beam me up Scotty – Back to Top Button plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 1.0.21. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected products

• outtheboxthemes Beam me up Scotty – Back to Top Button: before 1.0.22 — fixed in 1.0.22

How to fix

Upgrade to a fixed version: outtheboxthemes Beam me up Scotty – Back to Top Button 1.0.22. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/beam-me-up-scotty/tags/1.0.21/library/template-parts/tabs.php#L27
• https://plugins.trac.wordpress.org/changeset/3156146/beam-me-up-scotty/trunk/library/template-parts/tabs.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3428bc71-64f9-4f8d-85c8-7dda81b2ac18?source=cve

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