The Easy Appointments WordPress plugin through 3.12.26 does not correctly validate shortcode input in one of its block-rendering actions, checking only the first tag of the supplied string against an…

摘要

The Easy Appointments WordPress plugin through 3.12.26 does not correctly validate shortcode input in one of its block-rendering actions, checking only the first tag of the supplied string against an allowlist while rendering the entire string, allowing users with contributor-level access to execute arbitrary registered shortcodes.

中文摘要建设中，暂以英文摘要呈现（DR-003 v2）。