void Document::updateStyleInvalidationIfNeeded()
{
    ScriptForbiddenScope forbidScript;

    if (!isActive())
        return;
    if (!childNeedsStyleInvalidation())
        return;
    TRACE_EVENT0("blink", "Document::updateStyleInvalidationIfNeeded");
    styleEngine().styleInvalidator().invalidate(*this);
}

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