CVE-2025-67999

WordPress Newsletter plugin <= 9.0.9 - SQL Injection vulnerability

7.6 High

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Stefano Lissa Newsletter newsletter allows Blind SQL Injection.This issue affects Newsletter: from n/a through <= 9.0.9.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: Low

Exploit likelihood

0.40%Up 0.4 points since Dec 16, 2025

What each source reports

CVE List Score used 7.6

WordPress Newsletter plugin <= 9.0.9 - SQL Injection vulnerability

Record: CVE-2025-67999
CVSS 3.1: 7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Weakness: CWE-89
Updated: 2026-11-02

EUVDEUVD-2025-203555 7.6

Record: EUVD-2025-203555
CVSS 3.1: 7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-crqv-f66m-8q78 7.6

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')...

Record: GHSA-crqv-f66m-8q78
CVSS 3.1: 7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Weakness: CWE-89
Updated: 2026-11-02

NVD 7.6

Record: CVE-2025-67999
CVSS 3.1: 7.6 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Weakness: CWE-89
Updated: 2026-11-02

Affected products

stefano lissa newsletter

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-67999 is a high vulnerability (CVSS 7.6) in Stefano Lissa Newsletter, published December 16, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.