CVE-2025-4392
HighSummary
Wtyczka Shared Files – Frontend File Upload Form & Secure File Sharing dla WordPress jest podatna na przechowywane ataki Cross-Site Scripting (XSS) poprzez przesyłanie plików HTML we wszystkich wersjach do 1.7.48 włącznie, z powodu niewystarczającej sanitizacji danych wejściowych i ucieczki danych wyjściowych w funkcji sanitize_file().
Risk Assessment
Atakujący bez uwierzytelnienia mogą ominąć kontrole MIME wtyczki i wstrzykiwać dowolne skrypty webowe, które będą wykonywane, gdy użytkownik uzyska dostęp do pliku HTML, co stwarza poważne zagrożenie dla bezpieczeństwa użytkowników.
Recommendation
Zaleca się aktualizację wtyczki do najnowszej wersji, aby usunąć tę podatność oraz wdrożenie dodatkowych środków bezpieczeństwa, takich jak monitorowanie przesyłanych plików.
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Original NVD description (English source)
The Shared Files – Frontend File Upload Form & Secure File Sharing plugin for WordPress is vulnerable to Stored Cross-Site Scripting via html File uploads in all versions up to, and including, 1.7.48 due to insufficient input sanitization and output escaping within the sanitize_file() function. This makes it possible for unauthenticated attackers to bypass the plugin’s MIME-only checks and inject arbitrary web scripts in pages that will execute whenever a user accesses the html file.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS