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CVE-2026-1651

MEDIUM 6.5 CVSS 3.1
Published
March 4, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-89
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Description

The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to SQL Injection via the 'workflow_ids' parameter in all versions up to, and including, 5.9.16 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Affected WordPress components

  • Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress Plugin · email-subscribers
    Confirmed match Active
    Up to and including 5.9.16
    View on WordPress.org

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

  • icegram Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress — Up to and including 5.9.16

References

  • downloads.wordpress.org https://downloads.wordpress.org/plugin/email-subscribers.5.9.15.zip
  • gist.github.com https://gist.github.com/stevenyu113228/6c5c3f660e6dc739768842c051028f40
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.15/lite/includes/workflows/db/class-es-db-workflows.php#L379
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/email-subscribers/trunk/lite/includes/workflows/db/class-es-db-workflows.php#L379
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3464881/
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/d8dc995d-912e-4d83-84cc-c99242022b82?source=cve
  • nvd.nist.gov Official NVD record