CVE-2026-3011

The Recipe Card Blocks Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the recipe block's 'summary' and 'notes' attributes in all versions up to, and including, 3.4.13. This is due to the 'WPZOOM_Helpers::deserialize_block_attributes' method converting unicode-encoded sequences back into HTML characters after sanitization has already been applied. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that execute whenever a user accesses the published post or the print view of an injected recipe.

• CWE-79

• https://plugins.trac.wordpress.org/browser/recipe-card-blocks-by-wpzoom/trunk/src/classes/class-wpzoom-helpers.php#L253
• https://plugins.trac.wordpress.org/browser/recipe-card-blocks-by-wpzoom/trunk/src/classes/class-wpzoom-print-template-manager.php#L224
• https://plugins.trac.wordpress.org/browser/recipe-card-blocks-by-wpzoom/trunk/src/structured-data-blocks/class-wpzoom-recipe-card-block.php#L582
• https://plugins.trac.wordpress.org/browser/recipe-card-blocks-by-wpzoom/trunk/src/structured-data-blocks/class-wpzoom-recipe-card-block.php#L592
• https://plugins.trac.wordpress.org/changeset/3470036/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/a684bf5f-7cf6-43b1-b457-fdc2ba74852d?source=cve

Published

Jun 8, 2026

Last Modified

Jul 23, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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