CVE-2021-39111

Description

The Editor plugin in Atlassian Jira Server and Data Center before version 8.5.18, from 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the handling of supplied content such as from a PDF when pasted into a field such as the description field.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory atlassian.com
Affected: Atlassian Jira Server
Affected: Atlassian Jira Data Center
Published at:
Updated at:

References

Link Tags
https://jira.atlassian.com/browse/JRASERVER-72716 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-39111?
CVE-2021-39111 has been scored as a medium severity vulnerability.
How to fix CVE-2021-39111?
To fix CVE-2021-39111, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-39111 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-39111 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-39111?
CVE-2021-39111 affects Atlassian Jira Server, Atlassian Jira Data Center.
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