CVE-2025-4682CWE-79

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

Medium · published May 27, 2025

CVSS v3.1
6.4
EPSS
0%
Percentile
27.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00353 · 27.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-05-27T01:48Z
EPSS history
Timeline
  • 27 MAY 01:48Z
    Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slider and Post Carousel Widgets
    cvelistv5