CVE-2026-39495 WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability
Attackers can perform blind SQL injection to read sensitive database information from the Simply Schedule Appointments WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-39495?
CVE-2026-39495 is a high-severity SQL injection vulnerability in NSquared Simply Schedule Appointments, published on 8 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27.
Weakness: CWE-89
Which versions are affected by CVE-2026-39495?
How do I fix CVE-2026-39495?
No fix has been published for CVE-2026-39495 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-2026-39495 being exploited?
There is no known exploitation of CVE-2026-39495 in the wild and no public exploit code.
Sources
Also known as GHSA-w79w-69fh-fq49.