CVE-2024-24888 in Kadence WP Gutenberg Blocks Plugin
Summary
by MITRE • 04/02/2024
Server-Side Request Forgery (SSRF) vulnerability in StellarWP Gutenberg Blocks by Kadence Blocks kadence-blocks.This issue affects Gutenberg Blocks by Kadence Blocks: from n/a through <= 3.2.25.
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Analysis
by VulDB Data Team • 04/01/2026
The CVE-2024-24888 vulnerability represents a critical server-side request forgery flaw within the StellarWP Gutenberg Blocks plugin developed by Kadence Blocks. This vulnerability exists in versions ranging from the initial release through version 3.2.25, creating a significant security risk for WordPress installations that utilize this popular block library. The issue stems from inadequate input validation and sanitization mechanisms within the plugin's server-side processing logic, allowing malicious actors to manipulate internal network requests through crafted user inputs.
The technical implementation of this SSRF vulnerability occurs when the plugin processes user-supplied data without proper validation, enabling attackers to redirect requests to internal network resources that should otherwise be inaccessible. This flaw specifically manifests in the plugin's handling of external resource fetching operations, where user-provided URLs or parameters are directly used in server-side HTTP requests without adequate sanitization or destination validation. The vulnerability allows an attacker to potentially access internal systems, bypass network segmentation, and perform unauthorized operations against backend services that are typically protected from external access.
From an operational impact perspective, this vulnerability creates substantial risk for organizations using the affected Kadence Blocks plugin, as it can be exploited to enumerate internal network services, access sensitive data, and potentially escalate privileges within the network environment. The attack vector typically involves crafting malicious requests that appear legitimate to the server but actually redirect to internal resources such as internal APIs, databases, or administrative interfaces. This capability enables attackers to perform reconnaissance activities, extract confidential information, or even gain unauthorized access to critical systems that should remain isolated from external threats.
Security professionals should note that this vulnerability aligns with CWE-918, which specifically addresses server-side request forgery conditions, and maps to several ATT&CK techniques including T1071.004 for application layer protocols and T1566 for phishing attacks that could leverage this vulnerability for initial access. The remediation strategy requires immediate patching to version 3.2.26 or later, which includes proper input validation and URL sanitization mechanisms. Organizations should also implement network segmentation controls, monitor for suspicious internal network requests, and consider implementing web application firewalls to detect and block malicious SSRF attempts. Additionally, security teams should conduct comprehensive vulnerability assessments to identify any other potentially affected plugins or applications within their environment that might exhibit similar SSRF vulnerabilities.