CVE-2024-3565: Content Blocks (Custom Post Widget) <= 3.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via content_block Shortcode
The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'contentblock' shortcode in all versions up to, and including, 3.3.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-3565?
CVE-2024-3565 is rated as a high severity vulnerability due to the potential for Stored Cross-Site Scripting.
How do I fix CVE-2024-3565?
To fix CVE-2024-3565, update the Content Blocks (Custom Post Widget) plugin to version 3.3.1 or later.
What versions of the Content Blocks plugin are affected by CVE-2024-3565?
CVE-2024-3565 affects all versions of the Content Blocks (Custom Post Widget) plugin up to and including version 3.3.0.
What type of vulnerability is CVE-2024-3565?
CVE-2024-3565 is a Stored Cross-Site Scripting vulnerability caused by insufficient input sanitization.
Who is the vendor for the affected software in CVE-2024-3565?
The vendor for the affected software in CVE-2024-3565 is Johan van der Wijk.