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CVE-2024-8241

MEDIUM 5.4 CVSS 3.1
Published
September 10, 2024
Last modified
June 17, 2026
NVD status
Analyzed
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • pixelgrade Nova Blocks by Pixelgrade — Up to and including 2.1.7
  • pixelgrade nova_blocks — Before 2.1.8

References

  • github.com https://github.com/pixelgrade/nova-blocks/commit/655b5b804306c3ca3a59707cc2f12098e193b4ca Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3148752/ Patch
  • wordpress.org https://wordpress.org/plugins/nova-blocks/#developers Product
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3011befd-c0c6-4800-a370-e592c3ec483f?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record