EUVD-2026-49759
GHSA-3fg6-68w4-pm87
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from Vendor (Wordfence) · only source for this CVE.
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Chatbot plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 8.5.9 via the wpcs_send_email() AJAX handler. This is due to the wpcs_send_email() function being registered on both wp_ajax_wpcs_send_email and wp_ajax_nopriv_wpcs_send_email with no nonce verification, capability check, or rate limiting, while forwarding attacker-controlled recipient, subject, and body directly to wp_mail(). This makes it possible for unauthenticated attackers to send arbitrary emails to any recipient from the site's domain, enabling spam, phishing, and abuse that can lead to the site's IP/domain being blacklisted.
AnalysisAI
Missing authorization in the WPBot WordPress plugin allows unauthenticated attackers to send arbitrary emails from the site's domain. Versions up to 8.5.9 are vulnerable via the wpcs_send_email() AJAX handler, which lacks nonce verification and capability checks. No active exploitation has been identified, but the flaw can be easily automated for spam or phishing campaigns.
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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