CVE-2025-10735 MEDIUM

CVE-2025-10735: Block For Mailchimp – Easy Mailchimp Form Integration <= 1.1.12 - Unauthenticated Blind Server-Side Request Forgery

Vendor Bplugins
Product Block for Mailchimp – Add Email Subscription Forms and Collect Leads
Weakness CWE-918 · SSRF
Published October 1, 2025
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

4.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

What the vulnerability does

01Description

The Block For Mailchimp – Easy Mailchimp Form Integration plugin for WordPress is vulnerable to Blind Server-Side Request Forgery in all versions up to, and including, 1.1.12 via the mcbSubmit_Form_Data(). This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Key dates

02Disclosure timeline

October 1, 2025 CVE published
April 8, 2026 Record updated