Medium severity6.4NVD Advisory· Published May 18, 2024· Updated Apr 8, 2026

CVE-2024-4891

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Wpdeveloper/Essential Blocks
cpe:2.3:a:wpdeveloper:essential_blocks:*:*:*:*:free:wordpress:*:*
Range: <4.5.13
Essential Blocks/Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templatesllm-fuzzy
Range: <=4.5.12
WordPress/Essential Blockswp-canonicalize
Package: https://wordpress.org/plugins/essential-blocks

Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/changeset/3087677/nvdPatchProduct
www.wordfence.com/threat-intel/vulnerabilities/id/e1bcebb3-920b-40cc-aa5c-24a1f729b28dnvdThird Party Advisory
plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/AdvancedHeading.phpnvdProduct

News mentions

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cvss	0.416
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000