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

2025-09-30 00:00

D01EXPLOIT OFFICIAL

Strategic Overview

Status

Patched in 1.1.13

Affected PluginBlock for Mailchimp – grow your email list with signup forms

Affected Version<= 1.1.12

CVSS4.0Medium

CVECVE-2025-10735

View all Block for Mailchimp – grow your email list with signup forms vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 1.1.13, or a newer patched version --- IDENTIFIER: CWE-918 (Server-Side Request Forgery (SSRF)) The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

External References

https://www.cve.org/CVERecord?id=CVE-2025-10735 https://www.wordfence.com/threat-intel/vulnerabilities/id/51de575f-d458-4a7d-bc57-4a11e5124377

CVSS Vector

4.0

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

Base

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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