CVE-2025-1664

MEDIUM

Essential Blocks < 5.3.2 - Authenticated Stored Cross-Site Scripting via Parallax Slider

Title source: llm

Description

The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Parallax slider in all versions up to, and including, 5.3.1 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.

References (2)

Core 2

Core References

Patch

https://plugins.trac.wordpress.org/changeset/3250957/essential-blocks/tags/5.3.2/assets/blocks/parallax-slider/frontend.js

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/6abfa01b-e2ec-412c-a17d-e8bd1f5ac228?source=cve

Scores

CVSS v3 6.4

EPSS 0.0020

EPSS Percentile 9.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

wpdeveloper/essential_blocks < 5.3.2

wpdevteam/Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns < 5.3.1

Published Mar 08, 2025

Tracked Since Feb 18, 2026