Medium severity6.4NVD Advisory· Published Nov 7, 2026· Updated Nov 7, 2026
CVE-2026-118800
CVE-2026-118800
Description
The aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headingTag' parameter in all versions up to, and including, 2.18.0 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.
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Affected products
1Patches
Vulnerability mechanics
References
5- plugins.trac.wordpress.org/browser/ablocks/tags/2.18.0/includes/blocks/heading/block.phpnvd
- plugins.trac.wordpress.org/browser/ablocks/tags/2.18.0/includes/blocks/heading/block.phpnvd
- plugins.trac.wordpress.org/browser/ablocks/tags/2.18.0/includes/classes/block-base-abstract.phpnvd
- plugins.trac.wordpress.org/changesetnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/fc051a2a-deb8-4888-abfb-c9d5ff27b0a7nvd
News mentions
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