CVE-2026-3018

HIGH 7.5

Newsletters <= 4.13 - Unauthenticated SQL Injection via wpmlsubscriber_id Parameter

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

The Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpmlsubscriber_id’ parameter in all versions up to, and including, 4.13 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.

CWE	CWE-89
Vendor	contrid
Product	newsletters
Published	Jun 10, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

contrid / Newsletters

0 ≤ 4.13

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/8e2672b5-64a2-4b30-b0be-2a9303d46ac1?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.11/wp-mailinglist-plugin.php#L6040 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3566485/newsletters-lite

Credits

wesley