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CVE-2025-8607

SlingBlocks – Gutenberg Blocks by FunnelKit (Formerly WooFunnels) <= 1.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The SlingBlocks – Gutenberg Blocks by FunnelKit (Formerly WooFunnels) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Countdown block's attributes in all versions up to, and including, 1.6.0 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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • amans2k SlingBlocks – Gutenberg Blocks by FunnelKit (Formerly WooFunnels)

    through 1.6.0

References 2

wordfence.com

plugins.trac.wordpress.org