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CVE-2025-56383 PoC — Notepad++ 安全漏洞

Source
Associated Vulnerability
Title: Notepad++ 安全漏洞 (CVE-2025-56383)
Description:Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code. NOTE: this is disputed by multiple parties because the behavior only occurs when a user installs the product into a directory tree that allows write access by arbitrary unprivileged users.
Description
DLL hijacking to rev shell
Readme
Уязвимость

    Тип атаки: DLL Hijacking (захват DLL)
    Целевое приложение: Notepad++
    Метод: Файл NppExport.dll загружается Notepad++ из рабочей директории

Реализация

Вредоносная DLL содержит:

    Экспортируемые функции оригинальной библиотеки для обеспечения совместимости
    Reverse shell, соединяющийся с атакующим хостом
    Выполнение в отдельном потоке для предотвращения блокировки загрузки
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