void Document::close()
{
    if (!scriptableDocumentParser() || !scriptableDocumentParser()->wasCreatedByScript() || !scriptableDocumentParser()->isParsing())
        return;

    if (RefPtrWillBeRawPtr<DocumentParser> parser = m_parser)
        parser->finish();

    if (!m_frame) {
        implicitClose();
        return;
    }

    m_frame->loader().checkCompleted();
}

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