How severe is CVE-2022-23656?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.4 out of 10.

What type of vulnerability is CVE-2022-23656?

This is classified as CWE-79, which is a common weakness in software security.

CVE-2022-23656 - MEDIUM Severity | CVSS 5.4

Vulnerability 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.

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