Unauthorized Data Manipulation in MailerLite WooCommerce Plugin for WordPress
CVE-2026-1000

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Mailerlite – WooCommerce Integration
Vendor
CVE Published:
16 January 2026

What is CVE-2026-1000?

The MailerLite - WooCommerce integration plugin for WordPress is exposed to risks due to a lack of capability checks in the resetIntegration() function. Authenticated users with Subscriber-level access or above can exploit this vulnerability to manipulate the plugin settings, enabling them to delete essential plugin options and wipe database tables such as woo_mailerlite_carts and woo_mailerlite_jobs. This could lead to a significant loss of vital data, including customer abandoned cart information and sync job history.

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Affected Version(s)

MailerLite – WooCommerce integration * <= 3.1.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/woo-mailerlite...
https://plugins.trac.wordpress.org/browser/woo-mailerlite...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Angus Girvan
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