Medium severity · published Oct 1, 2025
CVE-2025-10735
Block For Mailchimp – Easy Mailchimp Form Integration <= 1.1.12 - Unauthenticated Blind Server-Side Request Forgery
4.0
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BF
Block for Mailchimp – Add Email Subscription Forms and Collect Leads · bplugins
through 1.1.12 · source: vendor
Affected product
BF
Block for Mailchimp – Add Email Subscription Forms and Collect Leads
bplugins
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-10735
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-10735
plugins.svn.wordpress.org
https://plugins.svn.wordpress.org/block-for-mailchimp/tags/1.1.9/mailchimp/API.php
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3368808%40block-for-mailchimp&new=3368808%40block-for-mailchimp&sfp_email=&sfph_mail=
wordpress.org
https://wordpress.org/plugins/block-for-mailchimp/
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/51de575f-d458-4a7d-bc57-4a11e5124377?source=cve