WordPress Newsletters <= 4.13 - Unauthenticated SQL Injection
CVE-2026-3018
Verified
Description
Newsletters WordPress plugin <= 4.13 contains a time-based SQL injection caused by insufficient escaping of the 'wpmlsubscriber_id' parameter, letting unauthenticated attackers extract sensitive database information.
Severity
High
CVSS Score
7.5
Exploit Probability
2%
Affected Product
newsletters
Published Date
June 11, 2026
Template Author
pussycat0x
CVE-2026-3018.yaml
7.5Score
CVSS Metrics
CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE ID:
cve-2026-3018
CWE ID:
cwe-89
Remediation Steps
Update to the latest version beyond 4.13.