CVE-2026-1000 MailerLite - WooCommerce integration <= 3.1.3 - Missing Authorization to Data Deletion
Authenticated attackers can reset integration settings and delete plugin data due to missing capability checks in the MailerLite WooCommerce plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1000?
CVE-2026-1000 is a medium-severity missing authorization vulnerability in MailerLite – WooCommerce integration, published on 16 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The MailerLite - WooCommerce integration plugin for WordPress is vulnerable to unauthorized data modification and deletion in all versions up to, and including, 3.1.3. This is due to missing capability checks on the resetIntegration() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset the plugin's integration settings, delete all plugin options, and drop the plugin's database tables (woo_mailerlite_carts and woo_mailerlite_jobs), resulting in complete loss of plugin data including customer abandoned cart information and sync job history.
Weakness: CWE-862
Which versions are affected by CVE-2026-1000?
How do I fix CVE-2026-1000?
No fix has been published for CVE-2026-1000 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1000 being exploited?
There is no known exploitation of CVE-2026-1000 in the wild and no public exploit code.
Sources
Also known as GHSA-m645-96c9-mxrv.