Threat intelligence

Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2025-1664 · essential-blocks

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Essential Blocks at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Affected software: essential-blocks(Plugin)
Affected versions: ≤ 5.3.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2025-1664
Published: 7 March 2025
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 6abfa01b-e2ec-412c-a17d-e8bd1f5ac228). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Essential Blocks version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Essential Blocks advisoriesBack to catalog