CVE-2026-1930: Emailchef <= 3.5.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Plugin Settings Deletion

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-22 · updated 2026-06-17
Weakness: CWE-862

Description

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.

Affected products

hanicker Emailchef: through 3.5.1

References

https://plugins.trac.wordpress.org/browser/emailchef/tags/3.5.1/admin/class-emailchef-admin.php#L121
https://plugins.trac.wordpress.org/browser/emailchef/tags/3.5.1/admin/class-emailchef-admin.php#L200
https://plugins.trac.wordpress.org/browser/emailchef/trunk/admin/class-emailchef-admin.php#L121
https://plugins.trac.wordpress.org/browser/emailchef/trunk/admin/class-emailchef-admin.php#L200
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3474353%40emailchef&new=3474353%40emailchef&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/3ae02595-17f0-472d-bc4f-6169cce7a583?source=cve

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