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CVE-2026-23693

ElementsKit Elementor Addons < 3.7.9 Unauthenticated Mailchimp REST Endpoint

Published: Feb 23, 2026Updated: Feb 24, 2026 Sources: CVE List NVDCWE-306
NVD MITRE
10.0CVSSCRITICAL
EPSS Score
0.4%
Top 70.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
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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 Breakdown

AV:NAC:LPR:NUI:NS:CC:LI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-306

Affected Products

ElementsKit Elementor Addons – Advanced Widgets & Templates Addons for ElementorRoxnor
On-premCMS Plugin
Web & CMS Plugins / wordpress-plugin
roxnorcommercialWeb & CMS Pluginsaka roxnor plugin, roxnor elementor addons

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://wordpress.org/plugins/elementskit-lite/
wordpress.org
https://wpmet.com/plugin/elementskit/
wpmet.com
https://www.vulncheck.com/advisories/elementskit-lite-unauthenticated-mailchimp-rest-endpoint
vulncheck.com

Timeline

Published
Feb 23, 2026
Last Updated
Feb 24, 2026

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