CVE-2021-26078

Public Exploit

Description

The number range searcher component in Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before version 8.13.6, and from version 8.14.0 before version 8.16.1 allows remote attackers inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.83% Top 30%
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-72392 patch vendor advisory
http://packetstormsecurity.com/files/163289/Atlassian-Jira-Server-Data-Center-8.16.0-Cross-Site-Scripting.html third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2021-26078?
CVE-2021-26078 has been scored as a medium severity vulnerability.
How to fix CVE-2021-26078?
To fix CVE-2021-26078, 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-2021-26078 being actively exploited in the wild?
It is possible that CVE-2021-26078 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-26078?
CVE-2021-26078 affects Atlassian Jira Server, Atlassian Jira Data Center.
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