A compromised content process could have performed session history manipulations it should not have been able to due to testing infrastructure that was not restricted to testing-only configurations. This vulnerability affects Firefox < 88.
Un proceso de contenido comprometido podría haber llevado a cabo manipulaciones del historial de sesiones que no debería haber podido debido a la infraestructura de pruebas que no estaba restringida a las configuraciones de solo prueba. Esta vulnerabilidad afecta a Firefox versiones anteriores a 88
Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the browser UI, bypass security restrictions, trick the user into disclosing confidential information, or execute arbitrary code. Various other issues were also addressed.
