Stored Cross-Site Scripting in Essential Blocks for WordPress
CVE-2023-7071

5.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates
Vendor
CVE Published:
11 January 2024

Summary

The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is susceptible to Stored Cross-Site Scripting. This vulnerability arises through the Table of Contents block due to inadequate input sanitization and output escaping in versions up to and including 4.4.6. As a result, authenticated attackers with contributor-level permissions can exploit this flaw to inject arbitrary web scripts into pages, leading to execution whenever a user visits those compromised pages.

Affected Version(s)

Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates * <= 4.4.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/essential-bloc...
https://plugins.trac.wordpress.org/changeset/3018547/esse...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Craig Smith
.