CVE-2026-66479Network attack vectorHinoki check available

Stored script execution via forged requests

Published Oct 8, 2026 · Updated Oct 8, 2026

CSRF in Liquid Web WPComplete 2.9.5.6 and earlier allows remote attackers to plant stored scripts via forged web requests. The public CVE record does not identify the affected handler, parameter, or missing request validation. Exploitation requires user interaction and leads to script execution in a victim's browser, not documented server-side execution.

CVSS severity7.1
High
EPSS probability0.09%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

CSRF in Liquid Web WPComplete 2.9.5.6 and earlier allows remote attackers to plant stored scripts via forged web requests. The public CVE record does not identify the affected handler, parameter, or missing request validation. Exploitation requires user interaction and leads to script execution in a victim's browser, not documented server-side execution.

The record

CVE
CVE-2026-66479
Published
Oct 8, 2026
Updated
Oct 8, 2026
Vendor
Liquid Web
Product
WPComplete
Classifications
CWE-352, CAPEC-592
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 8, 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=0 <=2.9.5.6 changes=[{"at":"2.9.5.7","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Liquid Web · WPCompleteversion=0 <=2.9.5.6 changes=[{"at":"2.9.5.7","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.

Activity data is delayed. The latest report is Sep 28, 2026.

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

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
CAPEC-592Stored XSS

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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