CVE-2019-8450 Cross-site scripting in Jira
Remote attackers with custom field management permissions can inject arbitrary HTML or JavaScript via XSS in the Optimization plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-8450?
CVE-2019-8450 is a medium-severity cross-site scripting vulnerability in Atlassian Jira Server, published on 11 Sep 2019. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Various templates of the Optimization plugin in Jira before version 7.13.6, and from version 8.0.0 before version 8.4.0 allow remote attackers who have permission to manage custom fields to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the name of a custom field.
Weakness: CWE-79
Which versions are affected by CVE-2019-8450?
It affects 1 product.
Products include Atlassian Jira Server.
How do I fix CVE-2019-8450?
No fix has been published for CVE-2019-8450 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-2019-8450 being exploited?
There is no known exploitation of CVE-2019-8450 in the wild and no public exploit code.
Other vulnerabilities in Atlassian Jira Server
Sources
Also known as GHSA-wgx3-89qx-v29j.