CVE-2026-1651

Summary

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 Software

Weaknesses

• CWE-89: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://gist.github.com/stevenyu113228/6c5c3f660e6dc739768842c051028f40

References

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

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