CVE-2019-3400 Cross-site scripting in Jira
Remote attackers can inject arbitrary HTML or JavaScript via the jql parameter in Jira, potentially leading to session hijacking or malicious actions.
- 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-2019-3400?
CVE-2019-3400 is a medium-severity cross-site scripting vulnerability in Atlassian Jira Server, published on 3 May 2019. 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
The labels gadget in Jira before version 7.13.2, and from version 8.0.0 before version 8.0.2 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the jql parameter.
Weakness: CWE-79
Which versions are affected by CVE-2019-3400?
It affects 1 product.
Products include Atlassian Jira Server.
How do I fix CVE-2019-3400?
No fix has been published for CVE-2019-3400 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-3400 being exploited?
There is no known exploitation of CVE-2019-3400 in the wild and no public exploit code.
Other vulnerabilities in Atlassian Jira Server
Sources
Also known as GHSA-hj8f-vg5g-xqx5.