CVE · High

CVE-2026-39447 — Simply Schedule Appointments [simply-schedule-appointments] < 1.6.11.0

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2026-39447 Simply Schedule Appointments [simply-schedule-appointments] < 1.6.11.0 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') High 7.1 < 1.6.11.0 1.6.11.0 2026-05-28

CVE-2026-39447

The Simply Schedule Appointments Booking Plugin for WordPress contains a security flaw that allows malicious code injection, specifically Stored Cross-Site Scripting, in versions prior to 1.6.10.7 due to inadequate filtering of input data and insufficient protection against script execution. This vulnerability enables unauthorized attackers to embed executable scripts on pages that will run when users access those pages, posing a significant security risk.

Based on public CVE data (MITRE/NVD).

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