void Document::setCSSTarget(Element* newTarget)
{
    if (m_cssTarget)
        m_cssTarget->pseudoStateChanged(CSSSelector::PseudoTarget);
    m_cssTarget = newTarget;
    if (m_cssTarget)
        m_cssTarget->pseudoStateChanged(CSSSelector::PseudoTarget);
}

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