Vulnerability CVE-2024-4891
Published: 2024-05-18

Description:
The Essential Blocks ?? Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ??tagName?? parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

 References:
https://www.wordfence.com/threat-intel/vulnerabilities/id/e1bcebb3-920b-40cc-aa5c-24a1f729b28d?source=cve
https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/AdvancedHeading.php#L115
https://plugins.trac.wordpress.org/changeset/3087677/
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