CVE-2025-10735 json
Block For Mailchimp – Easy Mailchimp Form Integration <= 1.1.12 - Unauthenticated Blind Server-Side Request Forgery
published 2025-10-01 13 mo ago modified 2026-10-09 31 d ago also EUVD-2025-31819
- cvss
- 4.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N |
Affected products
- bplugins Block for Mailchimp – Add Email Subscription Forms and Collect Leads
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/51de575f-d458-4a7d-bc57-4a11e5124377?source=cve
- plugins.svn.wordpress.org /block-for-mailchimp/tags/1.1.9/mailchimp/API.php
- wordpress.org /plugins/block-for-mailchimp/
- plugins.trac.wordpress.org /changeset?sfp_email=&sfph_mail=&reponame=&old=3368808%40block-for-mailchimp&new=3368808%40block-for-mailchimp
Sources
- CVE List CVE-2025-10735
- NVD CVE-2025-10735
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.