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AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
4DescriptionCVE.org
The Emailchef plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the page_options_ajax_disconnect() function in all versions up to, and including, 3.5.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete the plugin's settings via the 'emailchef_disconnect' AJAX action.
AnalysisAI
Emailchef WordPress plugin versions up to 3.5.1 allow authenticated attackers with Subscriber-level access to delete plugin settings via an unprotected AJAX action due to missing capability checks. The vulnerability enables unauthorized modification of plugin configuration without administrative privileges, affecting any WordPress site using the affected plugin versions. No public exploit code or active exploitation has been identified at time of analysis.
Technical ContextAI
The vulnerability exists in the page_options_ajax_disconnect() AJAX handler within the Emailchef plugin's admin class. AJAX actions in WordPress require explicit capability checks to verify user permissions before executing sensitive operations. The 'emailchef_disconnect' AJAX endpoint lacks proper capability validation, allowing any authenticated user - including those with minimal Subscriber-level permissions - to trigger data deletion intended for administrators only. This is a classic WordPress privilege escalation pattern where AJAX handlers bypass the normal admin capability checks that would prevent unauthorized access. CWE-862 (Missing Authorization) identifies the root cause: insufficient permission verification before executing privileged functions.
RemediationAI
Update the Emailchef plugin to a patched version released after 3.5.1 immediately. Access the WordPress plugin dashboard, navigate to Installed Plugins, and upgrade Emailchef to the latest available version. The fix adds proper capability checks to the page_options_ajax_disconnect() function to ensure only administrators can invoke the 'emailchef_disconnect' AJAX action. If a patched version is not yet available, restrict user role permissions by limiting the number of Subscriber-level accounts and disabling public user registration in WordPress settings (Settings → General → Membership). Monitor the plugin's WordPress repository page at https://plugins.trac.wordpress.org/browser/emailchef/ for patch availability. Reapply restrictive role policies after patching to maintain principle of least privilege.
Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-24718
GHSA-vf5m-3cj8-f27q