CVE-2026-39493
WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
9.3
WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
- Record
CVE-2026-39493- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
EUVDEUVD-2026-36944
9.3
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
- Record
EUVD-2026-36944- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-87gp-c4mf-v6pp
9.3
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
- Record
GHSA-87gp-c4mf-v6pp- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
NVD
9.3
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
- Record
CVE-2026-39493- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-39493 is a critical vulnerability (CVSS 9.3) in Nsquared Simply Schedule Appointments, published June 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. No source names a fixed version.