The Electron desktop application of Rocket.Chat through 6.3.4 allows stored XSS via links in an uploaded file, related to failure to use a separate browser upon encountering third-party external actions from PDF documents.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://hackerone.com/reports/1967109 | issue tracking third party advisory |
https://github.com/RocketChat/Rocket.Chat/releases/tag/6.3.4 | product |