CVE-2026-39791: WordPress Mailjet Email Marketing plugin <= 6.2.3 - Sensitive Data Exposure vulnerability

Q: Who can exploit this issue?

The vulnerability is unauthenticated, so an attacker does not need a WordPress account or other prior privileges to attempt exploitation. It is remotely reachable according to the network attack vector.

Q: Which installations are affected?

Mailjet Email Marketing versions 6.2.3 and earlier are affected. The provided information does not identify any configuration prerequisite, so administrators should treat installations of those versions as potentially exposed.

Q: What is the likely impact?

The reported impact is sensitive data exposure with low confidentiality impact. No integrity or availability impact is indicated.

Published Oct 6, 2026

Updated

Unauthenticated Sensitive Data Exposure in Mailjet Email Marketing <= 6.2.3 versions.

Affected Software

1 affected component

Mailjet Mailjet Email Marketing<=6.2.3

Event History

Oct 6, 2026

CVE Published

via MITRE·08:34 AM

Data Sourced

via MITRE·08:34 AM

DescriptionSeverityWeakness

Data Sourced

via NVD·09:17 AM

DescriptionSeverityWeakness

Frequently Asked Questions

Who can exploit this issue?

The vulnerability is unauthenticated, so an attacker does not need a WordPress account or other prior privileges to attempt exploitation. It is remotely reachable according to the network attack vector.

Which installations are affected?

Mailjet Email Marketing versions 6.2.3 and earlier are affected. The provided information does not identify any configuration prerequisite, so administrators should treat installations of those versions as potentially exposed.

What is the likely impact?

The reported impact is sensitive data exposure with low confidentiality impact. No integrity or availability impact is indicated.

CVE-2026-39791: WordPress Mailjet Email Marketing plugin <= 6.2.3 - Sensitive Data Exposure vulnerability

Affected Software

Event History

Frequently Asked Questions

Who can exploit this issue?

Which installations are affected?

What is the likely impact?

Company

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Frequently Asked Questions

Who can exploit this issue?

Which installations are affected?

What is the likely impact?