What’s Vulnerable › Vulnerabilities

CVE-2024-5756: Icegram Express - Email Subscribers, Newsletters and Marketing Automation Plugin <= 5.7.23 - Unauthenticated SQL Injection via optin

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-21 · updated 2026-06-17
• Weakness: CWE-89

Description

The Email Subscribers by Icegram Express – Email Marketing, Newsletters, Automation for WordPress & WooCommerce plugin for WordPress is vulnerable to time-based SQL Injection via the db parameter in all versions up to, and including, 5.7.23 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Affected products

• Icegram: before 5.7.24 — fixed in 5.7.24

How to fix

Upgrade to a fixed version: Icegram 5.7.24. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/email-subscribers/trunk/lite/includes/db/class-es-db-contacts.php#L532
• https://plugins.trac.wordpress.org/changeset/3101638/email-subscribers/trunk/lite/includes/db/class-es-db-contacts.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c5bd11c6-2f55-4eee-834a-c4e405482b9c?source=cve
• https://plugins.trac.wordpress.org/browser/email-subscribers/trunk/lite/includes/db/class-es-db-contacts.php#L532
• https://plugins.trac.wordpress.org/changeset/3101638/email-subscribers/trunk/lite/includes/db/class-es-db-contacts.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c5bd11c6-2f55-4eee-834a-c4e405482b9c?source=cve

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