redimp otterwiki

• CVE-2026-120501 Medium 5.3 An Otter Wiki 2.20.1 before 2.26.2 Repository File Disclosure via DataTable src 0.3%
• CVE-2026-120500 Medium 6.1 An Otter Wiki before 2.26.2 Stored XSS via Math Code Block 0.3%