If an image had not loaded correctly (such as when it is not actually an image), it could be dragged and dropped cross-domain, resulting in a cross-origin information leak. This vulnerability affects Firefox < 71.
Si una imagen no ha sido cargada correctamente (tal y como cuando en realidad no es una imagen), podría ser arrastrada y soltada entre dominios, resultando en un filtrado de información de origen cruzado. Esta vulnerabilidad afecta a Firefox versiones anteriores a la versión 71.
Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code.