CVE-2022-23656
Description
Zulip is an open source team chat app. The `main` development branch of Zulip Server from June 2021 and later is vulnerable to a cross-site scripting vulnerability on the recent topics page. An attacker could maliciously craft a full name for their account and send messages to a topic with several participants; a victim who then opens an overflow tooltip including this full name on the recent topics page could trigger execution of JavaScript code controlled by the attacker. Users running a Zulip server from the main branch should upgrade from main (2022-03-01 or later) again to deploy this fix.
How to fix
- zulip zulip_server2022-03-01 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zulip zulip_server | 2021-06-03 ≤ v < 2022-03-01 | 2022-03-01 |
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