Nova Blocks by Pixelgrade <= 2.1.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via align Attribute

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-8241
CVSS 6.4 (Medium)
Publicly Published September 9, 2024
Last Updated September 10, 2024
Researcher Francesco Carlucci

Description

The Nova Blocks by Pixelgrade plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'align' attribute of the 'wp:separator' Gutenberg block in all versions up to, and including, 2.1.7 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.

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Vulnerability Details for Nova Blocks by Pixelgrade

Software Type Plugin
Software Slug nova-blocks (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.1.8, or a newer patched version
Affected Version
  • <= 2.1.7
Patched Version
  • 2.1.8

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