CVE-2025-67999 WordPress Newsletter plugin <= 9.0.9 - SQL Injection vulnerability
Attackers can perform blind SQL injection to read sensitive database information from the WordPress Newsletter plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-67999?
CVE-2025-67999 is a high-severity SQL injection vulnerability in Stefano Lissa Newsletter, published on 16 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2025-67999?
How do I fix CVE-2025-67999?
No fix has been published for CVE-2025-67999 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2025-67999 being exploited?
There is no known exploitation of CVE-2025-67999 in the wild and no public exploit code.
Sources
Also known as GHSA-crqv-f66m-8q78.