CVE-2024-13803

Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting

Severity Score

6.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

MITRE

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.

*Credits: D.Sim

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-01-30 CVE Reserved
2025-02-25 CVE Published
2025-02-26 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (3)

URL	Tag	Source
https://www.wordfence.com/threat-intel/vulnerabilities/id/efdeca40-e021-478f-af75-c5566ae70735?source=cve
http://localhost:1337/wp-content/plugins/essential-blocks/assets/admin/editor/editor.js
https://plugins.trac.wordpress.org/changeset/3242493

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wpdevteam Search vendor "Wpdevteam"		Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates Search vendor "Wpdevteam" for product "Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates"				<= 5.2.3 Search vendor "Wpdevteam" for product "Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates" and version " <= 5.2.3"		en		Affected