PT-2024-15199 · WordPress · The Essential Blocks – Page Builder Gutenberg Blocks

Craig Smith + 1 · Published 2024-01-11 · Updated 2024-01-18 · CVE-2023-7071

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress versions up to, and including, 4.4.6

Description The issue is related to Stored Cross-Site Scripting via the Table of Contents block due to insufficient input sanitization and output escaping. This allows 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.

Recommendations For versions up to, and including, 4.4.6, update to a version higher than 4.4.6 to resolve the issue. As a temporary workaround, consider restricting access to the Table of Contents block for users with contributor-level access and above until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-7071

Affected Products

The Essential Blocks – Page Builder Gutenberg Blocks

References · 7

• https://osv.dev/vulnerability/CVE-2023-7071 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-7071 · Security Note
• https://plugins.trac.wordpress.org/changeset/3018547/essential-blocks/tags/4.4.7/blocks/TableOfContents.php · Patch
• https://twitter.com/CVEnew/status/1745364995079336235 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1745409455351611853 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/f969cb24-734f-46e5-a74d-fddf8e61e096?source=cve · Note
• https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/TableOfContents.php#L138 · Note