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CVE-2026-39493: WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability
- Severity: critical (CVSS 9.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-15 · updated 2026-10-25
- Weakness: CWE-89
Description
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
Affected products
- croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin: through 1.6.9.27
References
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