CVE-2026-92435Network attack vector

Unauthenticated state changes via unchecked REST permissions

Published Sep 19, 2026 · Updated Sep 19, 2026

Missing authorization in Mailchimp for WooCommerce before 6.1.1 allows remote attackers to change plugin state through REST API routes. Several administrator-oriented route permission callbacks omit the required WordPress capability check before invoking their handlers. No account or user interaction is required; WPScan has not disclosed the affected routes or the exact persistent state changed.

CVSS severity5.3
Medium
EPSS probability0.30%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Mailchimp for WooCommerce before 6.1.1 allows remote attackers to change plugin state through REST API routes. Several administrator-oriented route permission callbacks omit the required WordPress capability check before invoking their handlers. No account or user interaction is required; WPScan has not disclosed the affected routes or the exact persistent state changed.

The record

CVE
CVE-2026-92435
Published
Sep 19, 2026
Updated
Sep 19, 2026
Vendor
Mailchimp
Product
Mailchimp for WooCommerce
Classifications
CWE-862
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 19, 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 <6.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Mailchimp · Mailchimp for WooCommerceversion=0 <6.1.1

Published CVSS scores

5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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-862Missing Authorization

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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