CVE-2026-66704
Received Received - Intake

Unauthenticated SSRF in Gutenverse Companion

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Patchstack

Description
Unauthenticated Server Side Request Forgery (SSRF) in Gutenverse Companion <= 2.5.1 versions.

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Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-08-13
AI Q&A
2026-08-13
EPSS Evaluated
N/A
NVD
CVE-2026-66704
EUVD
EUVD-2026-57907

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack gutenverse_companion to 2.5.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

This is an unauthenticated Server Side Request Forgery (SSRF) vulnerability in the Gutenverse Companion WordPress plugin versions 2.5.1 and below. It allows an unauthenticated attacker to force the website to make requests to arbitrary domains, potentially exposing sensitive internal service information.

Detection Guidance

To detect this SSRF vulnerability in Gutenverse Companion <= 2.5.1, check the plugin version installed on your WordPress site. If it is 2.5.1 or lower, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files in /wp-content/plugins/gutenverse-companion/ to verify the version.

Impact Analysis

An attacker could exploit this to access internal services, steal data, or perform unauthorized actions on behalf of the server. It may also enable further attacks like data exfiltration or internal network reconnaissance.

Mitigation Strategies

Immediately update the Gutenverse Companion plugin to version 2.5.2 or later. If updating is not possible, apply the mitigation rule provided by Patchstack to block SSRF attacks until the update is applied. Ensure no unauthorized external requests are being made by monitoring server logs for unusual outbound traffic.

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