CVE-2026-39728
Received Received - Intake

Unauthenticated SSRF in Instapage Plugin

Publication date: 2026-10-06

Last updated on: 2026-10-06

Assigner: Patchstack

Description
Unauthenticated Server Side Request Forgery (SSRF) in Instapage Plugin <= 3.7.2 versions.

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Meta Information

Published
2026-10-06
Last Modified
2026-10-06
Generated
2026-10-06
AI Q&A
2026-10-06
EPSS Evaluated
N/A
NVD
CVE-2026-39728
EUVD
EUVD-2026-93250

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
instapagedev Instapage Plugin n/a

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 affecting the Instapage Plugin versions 3.7.2 and below. SSRF allows an attacker to make server-side requests to internal or external systems that the server can access, potentially leading to unauthorized data access or manipulation.

Impact Analysis

An attacker could exploit this to access internal resources, perform port scans, or interact with other systems accessible by the server. This may lead to data breaches, unauthorized actions, or further network compromise depending on the server's configuration.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles or HIPAA's security requirements. Non-compliance may result in legal penalties, fines, or reputational damage due to compromised sensitive data.

Mitigation Strategies

Update the Instapage Plugin to the latest version (3.7.3 or higher) to patch the SSRF vulnerability. If an update is not available, consider disabling or removing the plugin immediately to prevent exploitation.

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