Zulip Desktop before 5.4.3 allows XSS because string escaping is mishandled during composition of the HTML for the user interface.
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://blog.zulip.com/2020/09/10/zulip-desktop-5-4-3-security-release/ | release notes vendor advisory |