CVE · Critical

CVE-2026-39493 — Simply Schedule Appointments [simply-schedule-appointments] < 1.6.9.29

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2026-39493 Simply Schedule Appointments [simply-schedule-appointments] < 1.6.9.29 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Critical 9.3 < 1.6.9.29 1.6.9.29 2026-04-08

CVE-2026-39493

The Simply Schedule Appointments Booking Plugin for WordPress has a security flaw in versions 1.6.9.27 and earlier, allowing malicious users to inject unauthorized SQL code by exploiting an unescaped parameter in the plugin's SQL queries. This vulnerability enables attackers to add extra SQL commands that can be used to extract sensitive database information without needing authentication.

Based on public CVE data (MITRE/NVD).

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