CVE-2026-66694Network attack vector

Unauthenticated browser script execution via reflected XSS

Published Aug 6, 2026 · Updated Aug 6, 2026

Reflected XSS in Thrive Themes Thrive Architect 10.9.3.1 and earlier allows remote attackers to execute script in a user's browser. The CNA record classifies the flaw as reflected XSS but does not disclose the endpoint, input parameter, or output sink that reflects untrusted input. No authentication is required, but user interaction must occur before script runs in the browser security context of the affected WordPress site.

CVSS severity7.1
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Thrive Themes Thrive Architect 10.9.3.1 and earlier allows remote attackers to execute script in a user's browser. The CNA record classifies the flaw as reflected XSS but does not disclose the endpoint, input parameter, or output sink that reflects untrusted input. No authentication is required, but user interaction must occur before script runs in the browser security context of the affected WordPress site.

The record

CVE
CVE-2026-66694
Published
Aug 6, 2026
Updated
Aug 6, 2026
Vendor
Thrive Themes
Product
Thrive Architect
Classifications
CWE-79, CAPEC-591
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=10.9.3.1 changes=[{"at":"10.9.3.2","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Thrive Themes · Thrive Architectversion=n/a <=10.9.3.1 changes=[{"at":"10.9.3.2","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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