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CVE-2026-1000— MailerLite - WooCommerce integration <= 3.1.3 - Missing Authorization to Data Deletion

Quick assessment

Affected
mailerlite MailerLite – WooCommerce integration
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin MailerLite 3.1.3及之前版本存在安全漏洞，该漏洞源于resetIntegration函数缺少能力检查，可能导致未经授权的数据修改和删除。

CVSS 6.5 · Medium EPSS 0.33% · P25
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I. Basic Information for CVE-2026-1000

Vulnerability Information
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Vulnerability Title
MailerLite - WooCommerce integration <= 3.1.3 - Missing Authorization to Data Deletion
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin MailerLite 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin MailerLite 3.1.3及之前版本存在安全漏洞，该漏洞源于resetIntegration函数缺少能力检查，可能导致未经授权的数据修改和删除。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mailerlite MailerLite – WooCommerce integration * ~ 3.1.3 -

II. Public POCs for CVE-2026-1000

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III. Intelligence Information for CVE-2026-1000

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Patches & Fixes for CVE-2026-1000 (3)

IV. Related Vulnerabilities

Same product: MailerLite – WooCommerce integration
Same vendor: mailerlite
Same weakness: CWE-862

V. Comments for CVE-2026-1000

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