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Argo CD a partir de la versi\u00f3n 2.3.0 y anteriores a 2.3.6 y 2.4.5 es vulnerable a un bug de tipo cross-site scripting (XSS) que podr\u00eda permitir a un atacante inyectar JavaScript arbitrario en la p\u00e1gina \"/auth/callback\" en el navegador de la v\u00edctima. Esta vulnerabilidad s\u00f3lo afecta a las instancias de CD de Argo que presentan activado el inicio de sesi\u00f3n \u00fanico (SSO). La explotaci\u00f3n tambi\u00e9n asume que el atacante presenta 1) acceso a la clave de encriptaci\u00f3n del servidor API, 2) un m\u00e9todo para a\u00f1adir una cookie al navegador de la v\u00edctima, y 3) la capacidad de convencer a la v\u00edctima para que visite un enlace malicioso \"/auth/callback\". La vulnerabilidad es clasificada como de baja gravedad porque el acceso a la clave de cifrado del servidor de la API ya concede un alto nivel de acceso. 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