Block For Mailchimp – Easy Mailchimp Form Integration <= 1.1.12 - Unauthenticated Blind Server-Side Request Forgery
Priority LOW 19CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00305 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-10735
- 2026-10-03 Alias added: GHSA-qxh8-5779-hg4r
References
Other 4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/51de575f-d458-4a7d-bc57-4a11e5124377?source=cve
- https://plugins.svn.wordpress.org/block-for-mailchimp/tags/1.1.9/mailchimp/API.php
- https://wordpress.org/plugins/block-for-mailchimp/
- 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=
More bPlugins vulnerabilities
- TI-2024-05133 HTML5 Video Player < 2.5.27 - Unauthenticated SQLi CVSS 3.1MEDIUM 6.5
- TI-2024-00982 SQL injection in html5-video-player CVSS 3.1CRITICAL 9.8
- TI-2023-00164 Html5 Audio Player < 2.1.12 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
- TI-2025-11361 Missing authorization in bPlugins Document Embedder – Embed PDFs, Word, Excel, and Other… CVSS 3.1HIGH 8.6
- TI-2025-07373 B Blocks <= 2.0.6 - Missing Authorization to Unauthenticated Privilege Escalation via rgfr_registration Function CVSS 3.1CRITICAL 9.8
- TI-2026-40456 WordPress MailChimp Block plugin <= 1.1.15 - Broken Access Control vulnerability CVSS 3.1HIGH 8.3
Sources
- CVE-2025-10735 · CVE Program
- CVE-2025-10735 · NVD
- FIRST EPSS
- GHSA-qxh8-5779-hg4r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences