CVE-2026-23693

· CRITICALDeferred

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CVSS v3.1

10.0

CVSS v4.0

9.3

EPSS

0.38%

Published

Feb 23, 2026

Modified

Apr 14, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

ElementsKit Elementor Addons – Advanced Widgets & Templates Addons for Elementor (elementskit-lite) WordPress plugin versions prior to 3.7.9 expose the REST endpoint /wp-json/elementskit/v1/widget/mailchimp/subscribe without authentication. The endpoint accepts client-supplied Mailchimp API credentials and insufficiently validates certain parameters, including the list parameter, when constructing upstream Mailchimp API requests. An unauthenticated attacker can abuse the endpoint as an open proxy to Mailchimp, potentially triggering unauthorized API calls, manipulating subscription data, exhausting API quotas, or causing resource consumption on the affected WordPress site.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

Weaknesses (CWE)

CWE-306

References (3)

https://wordpress.org/plugins/elementskit-lite/

https://wpmet.com/plugin/elementskit/

https://www.vulncheck.com/advisories/elementskit-lite-unauthenticated-mailchimp-rest-endpoint

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