CVE-2026-104408 WordPress Groundhogg plugin <= 4.8.3 - SQL Injection vulnerability
Attackers can perform blind SQL injection to read sensitive database information from the Groundhogg WordPress 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-2026-104408?
CVE-2026-104408 is a high-severity SQL injection vulnerability in Groundhogg, published on 5 Oct 2026. 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 Groundhogg Groundhogg groundhogg allows Blind SQL Injection.This issue affects Groundhogg: from n/a through 4.8.3.
Weakness: CWE-89
Which versions are affected by CVE-2026-104408?
How do I fix CVE-2026-104408?
No fix has been published for CVE-2026-104408 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-2026-104408 being exploited?
There is no known exploitation of CVE-2026-104408 in the wild and no public exploit code.
Sources
Also known as GHSA-hp64-fhfc-6fxp.