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CVE Vulnerability Details :
CVE-2026-56063
PUBLISHED
More InfoOfficial Page
Assigner-Patchstack
Assigner Org ID-21595511-bba5-4825-b968-b78d1f9984a3
View Known Exploited Vulnerability (KEV) details
Published At-26 Jun, 2026 | 14:52
Updated At-26 Jun, 2026 | 16:55
Rejected At-
▼CVE Numbering Authority (CNA)
WordPress MailChimp Block plugin <= 1.1.15 - Broken Access Control vulnerability

Unauthenticated Broken Access Control in MailChimp Block <= 1.1.15 versions.

Affected Products
Vendor
bPlugins
Product
MailChimp Block
Collection URL
https://wordpress.org/plugins
Package Name
block-for-mailchimp
Default Status
unaffected
Versions
Affected
  • From n/a through 1.1.15 (custom)
    • -> unaffectedfrom1.1.16
Problem Types
TypeCWE IDDescription
CWECWE-862CWE-862 Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: CWE-862 Missing Authorization
Metrics
VersionBase scoreBase severityVector
3.18.3HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Version: 3.1
Base score: 8.3
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-180CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels
CAPEC ID: CAPEC-180
Description: CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels
Solutions

Update the WordPress MailChimp Block Plugin to the latest available version (at least 1.1.16).

Configurations
Workarounds
Exploits
Credits
finder
Roll | Patchstack Bug Bounty Program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://patchstack.com/database/wordpress/plugin/block-for-mailchimp/vulnerability/wordpress-mailchimp-block-plugin-1-1-15-broken-access-control-vulnerability?_s_id=cve
vdb-entry
Hyperlink: https://patchstack.com/database/wordpress/plugin/block-for-mailchimp/vulnerability/wordpress-mailchimp-block-plugin-1-1-15-broken-access-control-vulnerability?_s_id=cve
Resource:
vdb-entry
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found