CVE-2026-47068— PhoenixStorybook 安全漏洞

Cross-session PubSub topic injection via URL parameter in phoenix_storybook

Authorization Bypass Through User-Controlled Key vulnerability in phenixdigital phoenix_storybook allows cross-session PubSub topic injection via a URL query parameter. 'Elixir.PhoenixStorybook.Story.ComponentIframeLive':handle_params/3 in lib/phoenix_storybook/live/story/component_iframe_live.ex reads a PubSub topic directly from params["topic"] and broadcasts {:component_iframe_pid, self()} on it with no check that the topic belongs to the requesting session. The shared PhoenixStorybook.PubSub is used to coordinate playground LiveViews with their iframes: a playground subscribes to a session-specific topic and uses the received iframe pid to direct subsequent control messages (variation state, theme switches, extra-assign payloads) via send/2. Because the iframe trusts the query parameter, an attacker who loads /storybook/iframe/<story>?topic=<victim_topic> causes their iframe process pid to be announced on the victim's topic. The victim's playground then addresses its private messages to the attacker's iframe process. This issue affects phoenix_storybook from 0.4.0 before 1.1.0.

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通过用户控制密钥绕过授权机制

PhoenixStorybook 安全漏洞

PhoenixStorybook是Phenix Digital开源的一个组件展示与交互调试的UI工具。 PhoenixStorybook 0.4.0至1.1.0之前版本存在安全漏洞，该漏洞源于通过用户控制密钥绕过授权，攻击者可通过URL查询参数注入跨会话PubSub主题。

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