CVE-2026-65508
WordPress Simply Schedule Appointments plugin <= 1.6.12.10 - SQL Injection vulnerability
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 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
WordPress Simply Schedule Appointments plugin <= 1.6.12.10 - SQL Injection vulnerability
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
- Record
CVE-2026-65508- 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-2026-53964
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
- Record
EUVD-2026-53964- 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-8prr-j8xh-jjcw
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
- Record
GHSA-8prr-j8xh-jjcw- 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
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
- Record
CVE-2026-65508- 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 |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-65508 is a critical vulnerability (CVSS 9.3) in Nsquared Simply Schedule Appointments, published August 6, 2026. 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.