CVE-2025-4682

MEDIUM 6.4

Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slider and Post Carousel Widgets

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	wpdevteam
Product	gutenberg essential blocks – page builder for gutenberg blocks & patterns
Published	May 27, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

wpdevteam / Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns

0 ≤ 5.4.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/f88f065d-14ca-4547-9a41-f9177979a9ed?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/essential-blocks/tags/5.4.0/src/blocks/slider/src/frontend.js plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/essential-blocks/tags/5.4.0/src/blocks/post-carousel/src/frontend.js plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3296386/

Credits

Craig Smith