CVE-2021-26082 Cross-site scripting in Jira Data Center

Medium 5.4 Published Updated

Remote attackers can inject arbitrary HTML or JavaScript via stored XSS in the XML Export feature of Atlassian Jira.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-26082?

CVE-2021-26082 is a medium-severity cross-site scripting vulnerability in Atlassian Jira, published on 20 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The XML Export in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.17.0 allows remote attackers to inject arbitrary HTML or JavaScript via a stored cross site scripting vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2021-26082?

It affects 4 products.

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

How do I fix CVE-2021-26082?

No fix has been published for CVE-2021-26082 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-2021-26082 being exploited?

There is no known exploitation of CVE-2021-26082 in the wild and no public exploit code.

All Atlassian Jira vulnerabilities

Sources

Also known as GHSA-q79r-9wrx-v3w2.

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