Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slider and Post Carousel Widgets
Vulnerability Description
The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via HTML attributes in Slider and Post Carousel widgets in all versions up to, and including, 5.4.0 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-4682
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Craig Smith
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f88f065d-14ca-4547-9a41-f9177979a9ed?source=cve
- https://plugins.trac.wordpress.org/browser/essential-blocks/tags/5.4.0/src/blocks/slider/src/frontend.js
- https://plugins.trac.wordpress.org/browser/essential-blocks/tags/5.4.0/src/blocks/post-carousel/src/frontend.js
- https://plugins.trac.wordpress.org/changeset/3296386/
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