CVE-2026-4859

Summary

The SP Blog Designer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'design' attribute of the wpsbd_post_carousel shortcode in all versions up to, and including, 1.0.0 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.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/705b1da0-df92-40c2-a608-ccad32a9c224?source=cve
• https://plugins.trac.wordpress.org/browser/sp-blog-designer/tags/1.0.0/includes/shortcode/wpsbd-post-carousel.php#L156
• https://plugins.trac.wordpress.org/browser/sp-blog-designer/trunk/includes/shortcode/wpsbd-post-carousel.php#L156

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