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CVE-2026-109401

LOW 2.7 CVSS 3.1
Published
October 16, 2026
Last modified
October 16, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-200
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Description

The WP Mail Logging plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.17.0 via the 'email_address' parameter. This makes it possible for authenticated attackers, with administrator-level access and above, to extract complete logged mail rows belonging to other users — including recipient addresses, message subjects, full message bodies, and any URLs contained therein — whose addresses happen to match the wildcard. Exploitation requires an administrator to process a personal-data export request for the attacker's email address via the standard WordPress privacy workflow, and the attacker's address must contain a LIKE wildcard character (such as an underscore) that matches at least one other user's address in the mail log.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • smub WP Mail Logging — Up to and including 1.17.0

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-mail-logging/tags/1.17.0/lib/vendor/brandonwamboldt/wp-orm/src/Query.php#L399
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-mail-logging/tags/1.17.0/src/WPML_PrivacyController.php#L76
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-mail-logging/tags/1.17.0/src/WPML_PrivacyController.php#L82
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3746095/wp-mail-logging/trunk/src/WPML_PrivacyController.php?old=3464813&old_path=wp-mail-logging%2Ftrunk%2Fsrc%2FWPML_PrivacyController.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3746095%40wp-mail-logging%2Ftags%2F1.17.1&old=3705796%40wp-mail-logging%2Ftags%2F1.17.0
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/f2b96f36-090d-4ed3-aa2c-dafa89d255cc?source=cve
  • nvd.nist.gov Official NVD record