CVE-2026-66694
Received Received - Intake

Unauthenticated XSS in Thrive Architect

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: Patchstack

Description
Unauthenticated Cross Site Scripting (XSS) in Thrive Architect <= 10.9.3.1 versions.

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
CVE-2026-66694
EUVD
EUVD-2026-53901

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
thrive architect to 10.9.3.1 (inc)
thrive architect to 10.9.3.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability in the Thrive Architect WordPress plugin affecting versions 10.9.3.1 and earlier. It allows attackers to inject malicious scripts into web pages viewed by users. Exploitation requires user interaction, such as clicking a malicious link.

Detection Guidance

Detecting this XSS vulnerability requires checking if the Thrive Architect plugin version is 10.9.3.1 or earlier. Inspect WordPress installations for the plugin and verify its version. No specific commands are provided, but manual review of installed plugins is necessary.

Impact Analysis

Attackers could inject scripts to steal user data, redirect visitors to malicious sites, or display unwanted ads. Privileged user roles may be targeted to escalate attacks. Websites using vulnerable versions are at risk of compromise through crafted pages or links.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for protecting user data. Organizations may face fines or legal consequences if exploited due to inadequate security measures.

Mitigation Strategies

Update the Thrive Architect plugin to version 10.9.3.2 or later immediately. If updating is not possible, apply a mitigation rule from Patchstack or seek help from your hosting provider or web developer.

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