CVE-2023-6964 - CVE House
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Status published High CVE-2023-6964

Gutenberg Blocks by Kadence Blocks – Page Builder Features <= 3.1.26 - Authenticated(Contributor+) Server-Side Request Forgery (SSRF)

Vulnerability Description

The Gutenberg Blocks by Kadence Blocks – Page Builder Features plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.1.26 via the 'kadence_import_get_new_connection_data' AJAX action. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Lucio Sá

References

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Affected Vendor

Affected Software

Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
Vulnerable Versions:
0

Timeline

Official Publish: April 9th, 2024
Last Modified: April 8th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Weaknesses (CWE)

CWE-918

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1005 Data from Local System
Collection
T1046 Network Service Discovery
Discovery