Markdown Functionality Vulnerability in Zulip Server by Zulip
CVE-2020-9444

6.1MEDIUM

Key Information:

Vendor

Zulip

Status
Zulip Server
Vendor
CVE Published:
20 April 2020

What is CVE-2020-9444?

Zulip Server versions prior to 2.1.3 have a security issue within the Markdown functionality that permits reverse tabnabbing. This vulnerability allows attackers to potentially exploit the way links are rendered, causing users to unknowingly navigate away from the intended site, which can lead to phishing attacks or data exposure. Users are advised to upgrade to the latest version to mitigate this risk.

References

https://blog.zulip.org/2020/04/01/zulip-server-2-1-3-secu...
x_refsource_CONFIRM

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.