phpMyFAQ has unauthenticated FAQ permission bypass via getFaqBySolutionId fallback query

Summary The public /solutionidid.html route calls Faq::getIdFromSolutionId in phpmyfaq/src/phpMyFAQ/Faq.php:1312. That query joins faqdata with faqcategoryrelations solely by solutionid and returns the matching FAQ's id, lang, thema title, and categoryid with no permission filter. An...