CVE-2020-9444 Other in n/a
Attackers can exploit reverse tabnabbing in Zulip Server's Markdown functionality to hijack user sessions or redirect them to malicious sites.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-9444?
CVE-2020-9444 is a medium-severity vulnerability in n/a, published on 20 Apr 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Zulip Server before 2.1.3 allows reverse tabnabbing via the Markdown functionality.
Weakness: CWE-1021
Which versions are affected by CVE-2020-9444?
It affects 1 product.
Products include Zulip Zulip Server.
How do I fix CVE-2020-9444?
No fix has been published for CVE-2020-9444 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-9444 being exploited?
There is no known exploitation of CVE-2020-9444 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2019-18933 Information disclosure in n/a
- CVE-2020-15070 Code injection in n/a
- CVE-2017-0910 Missing authorization in Zulip Server
- CVE-2025-31478 Zulip Authentication Backend Configuration Bypass
- CVE-2023-33186 Cross-site scripting vulnerability in Zulip Server development branch via topic tooltip
Sources
Also known as GHSA-gq6q-gh85-7w3x.