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CVE-2025-5844

Radius Blocks <= 2.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via subHeadingTagName Parameter

Published
Last modified
published
Not listed in CISA KEV
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The Radius Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘subHeadingTagName’ parameter in all versions up to, and including, 2.2.1 due to insufficient input sanitization and output escaping. 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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • techlabpro1 Radius Blocks – WordPress Gutenberg Blocks

    through 2.2.1

References 4

wordfence.com

plugins.trac.wordpress.org

wordpress.org

GitHub · KeyFrame-Bytes/CVE-2025-5844