CVE-2026-4022

Summary

The Show Posts list – Easy designs, filters and more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_type' shortcode attribute in the 'swiftpost-list' shortcode in all versions up to, and including, 1.1.0 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.

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/fc6634bc-4427-44b6-bf77-d97d5b49e82f?source=cve
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L119
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L119
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L43
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L43
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L21
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L21
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/trunk/post-shortcode.php#L103
• https://plugins.trac.wordpress.org/browser/show-posts-shortcodes/tags/1.1.0/post-shortcode.php#L103

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