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3.0.2 (June 15, 2026)
Enhancement: Removed unauthenticated CSV export and PDF endpoints and added nonce and capability checks
Patch: Fixed SQL injection vulnerabilities across AJAX handlers, CSV exports, shortcodes, and result filters
Patch: Added PDF image data validation, migrated file handling to WP Filesystem API, and sanitized question order data
3.0.1 (May 12, 2026)
Feature: Introduced %CATEGORY_CONTRIBUTION_PIECHART% variable to display a category contribution pie chart