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Vulnerability record · CVE-2023-7071 · published 11 January 2024

CVE-2023-7071: Wpdeveloper essential blocks cross-site scripting vulnerability

Wpdeveloper · Essential Blocks

The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Table of Contents block in all versions up to, and including, 4.4.6 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.

5.4 CVSS 3.1 Medium EPSS 0.40% · top 67.8% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Table of Contents block in all versions up to, and including, 4.4.6 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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/TableOfContents.php#L138 Issue Tracking
https://plugins.trac.wordpress.org/changeset/3018547/essential-blocks/tags/4.4.7/blocks/TableOfContents.php Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/f969cb24-734f-46e5-a74d-fddf8e61e096?source=cve Third Party Advisory
https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/TableOfContents.php#L138 Issue Tracking
https://plugins.trac.wordpress.org/changeset/3018547/essential-blocks/tags/4.4.7/blocks/TableOfContents.php Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/f969cb24-734f-46e5-a74d-fddf8e61e096?source=cve Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-7071), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.