IntersectionObserverController& Document::ensureIntersectionObserverController()
{
    if (!m_intersectionObserverController)
        m_intersectionObserverController = IntersectionObserverController::create(this);
    return *m_intersectionObserverController;
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.