Even when an iframe was sandboxed with <code>allow-top-navigation-by-user-activation</code>, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate. This vulnerability affects Firefox < 102.
Incluso cuando un iframe estaba protegido con <code>allow-top-navigation-by-user-activation</code>, si recibía un encabezado de redireccionamiento a un protocolo externo, el navegador procesaría el redireccionamiento y avisaría al usuario según corresponda. Esta vulnerabilidad afecta a Firefox < 102.
Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code. Versions less than 91.12.0:esr are affected.