CVE-2021-41304 Cross-site scripting in Jira Data Center

Medium 6.1 Published Updated

Anonymous attackers can inject arbitrary HTML or JavaScript via XSS in the importer error page, 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-2021-41304?

CVE-2021-41304 is a medium-severity cross-site scripting vulnerability in Atlassian Jira, published on 26 Oct 2021. 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

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the /secure/admin/ImporterFinishedPage.jspa error message. The affected versions are before version 8.13.12, and from version 8.14.0 before 8.20.2.

Weakness: CWE-79

Which versions are affected by CVE-2021-41304?

It affects 4 products.

Products include Atlassian Data Center, Atlassian Jira, Atlassian Jira Data Center, Atlassian Jira Server.

How do I fix CVE-2021-41304?

No fix has been published for CVE-2021-41304 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-2021-41304 being exploited?

There is no known exploitation of CVE-2021-41304 in the wild and no public exploit code.

All Atlassian Jira vulnerabilities

Sources

Also known as GHSA-frf8-q8px-qghm.

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