SQL Injection Vulnerability in Newsletters Plugin for WordPress
CVE-2026-3018

7.5HIGH

Key Information:

Vendor

WordPress
Status
Newsletters
Vendor
CVE Published:
10 June 2026

What is CVE-2026-3018?

The Newsletters plugin for WordPress is susceptible to a time-based SQL Injection vulnerability through the 'wpmlsubscriber_id' parameter. This issue arises from insufficient input sanitization and improper handling of SQL queries. As a result, attackers may exploit this vulnerability to inject malicious SQL commands, allowing them to retrieve sensitive information stored in the database without requiring authentication. It is crucial for users of the plugin to upgrade to the latest version to mitigate this risk.

Affected Version(s)

Newsletters 0 <= 4.13

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/newsletters-li...
https://plugins.trac.wordpress.org/changeset/3566485/news...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

wesley
.