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OpenAdvisories
Medium · 6.5 CVE-2026-84740 EUVD-2026-91210GHSA-4c37-j68q-cmxj

The Events Calendar 6.12.0 - 6.17.5 - Unauthenticated Arbitrary Shortcode Execution via 'view_data' Parameter

Published Oct 2, 2026 · Updated Oct 2, 2026 · Assigned by WPScan

Description

The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted to an unauthenticated AJAX action before merging it into its rendering context, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.

Affected products

VendorProductAffectedFixed
— The Events Calendar 6.12.0 – < 6.17.5.1 6.17.5.1

References