Description
The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-marker’ parameter in all versions up to, and including, 5.2.3 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.
Published: 2025-02-26
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2024-53904 The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-marker’ parameter in all versions up to, and including, 5.2.3 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.
History

Thu, 10 Apr 2025 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Wpdeveloper
Wpdeveloper essential Blocks
CPEs cpe:2.3:a:wpdeveloper:essential_blocks:*:*:*:*:free:wordpress:*:*
Vendors & Products Wpdeveloper
Wpdeveloper essential Blocks

Tue, 04 Mar 2025 03:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 26 Feb 2025 07:15:00 +0000

Type Values Removed Values Added
Description The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-marker’ parameter in all versions up to, and including, 5.2.3 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.
Title Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


Subscriptions

Wpdeveloper Essential Blocks
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-08T17:32:07.075Z

Reserved: 2025-01-30T01:13:20.800Z

Link: CVE-2024-13803

cve-icon Vulnrichment

Updated: 2025-02-26T14:46:52.387Z

cve-icon NVD

Status : Analyzed

Published: 2025-02-26T13:15:38.027

Modified: 2025-04-10T17:46:21.023

Link: CVE-2024-13803

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses