CVE-2024-5439: Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting
The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the customurl parameter in all versions up to, and including, 2.0.50 due to insufficient input sanitization and output escaping. 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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-5439?
CVE-2024-5439 is considered a medium severity vulnerability due to its potential for unauthenticated exploitation via reflected cross-site scripting.
How do I fix CVE-2024-5439?
To fix CVE-2024-5439, update the Blocksy theme to version 2.0.51 or later.
What type of vulnerability is CVE-2024-5439?
CVE-2024-5439 is a Reflected Cross-Site Scripting (XSS) vulnerability affecting the Blocksy theme for WordPress.
Which versions of Blocksy are affected by CVE-2024-5439?
All versions of the Blocksy theme up to and including 2.0.50 are affected by CVE-2024-5439.
Can CVE-2024-5439 be exploited by authenticated users?
CVE-2024-5439 can be exploited by unauthenticated attackers, meaning that authentication is not required for exploitation.