WordPress
CVE-2026-1303
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The MailChimp Campaigns plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.2.4. This is due to missing capability checks on the mailchimp_campaigns_manager_disconnect_app function that is hooked to the AJAX action of the same name. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disconnect the site from its MailChimp synchronization app, disrupting automated email campaigns and marketing integrations.
AnalysisAI
The MailChimp Campaigns WordPress plugin through version 3.2.4 lacks proper authorization checks on an AJAX function, allowing authenticated subscribers to disconnect the site's MailChimp integration. This capability bypass enables low-privileged users to disrupt automated email campaigns and marketing workflows. No patch is currently available.
Technical ContextAI
This vulnerability (CWE-862: Missing Authorization) affects MailChimp Campaigns (WordPress plugin). The MailChimp Campaigns plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.2.4. This is due to missing capability checks on the mailchimp_campaigns_manager_disconnect_app function that is hooked to the AJAX action of the same name. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disconnect the site from its MailChimp synchronization app, disrupting automated email campaigns and marketing integration
Affected ProductsAI
Vendor: WordPress. Product: MailChimp Campaigns (WordPress plugin). Versions: up to 3.2.4..
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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