This advisory discloses a medium severity security vulnerability in the ActionableAgile for Jira plugin for Server and Data Center instances. All versions of this plugin up to and including 3.9.3.1 are affected by this vulnerability.
If you do have this plugin installed in your server or data center instances, upgrade your installations to version 3.9.4 at your earliest convenience to fix this vulnerability. Please note that this does NOT affect any Jira cloud instances.
XSS vulnerability in ActionableAgile for Jira
Severity
We rate the severity level of this vulnerability as medium, according to the scale published in Atlassian’s severity levels. The scale allows us to rank the severity as critical, high, medium, or low and is based on the CVSS vulnerability metric. You can learn more about CVSS at FIRST.org.
This is our assessment, and you should evaluate its applicability to your own IT environment.
Description
There is a cross-site-scripting vulnerability affecting the ActionableAgile for Jira (Server or Data Center) plugin that can be potentially exploited by xxx by xxx. In a successful exploitation of this vulnerability, an attacker could potentially execute arbitrary code on the system.
This vulnerability affects all versions up to and including 3.9.3.1.
Acknowledgements
Thanks to xxx for finding and reporting this vulnerability via our Bug Bounty program hosted through BugCrowd.
Fix
We have taken the following steps to address this issue:
Released version 3.9.4 that contains a fix for this issue.
What You Need to Do
Check whether your Jira server/DC instance has the vulnerable plugin installed or not. To do this, go to your applications and search for “ActionableAgile for Jira” plugin. If it is installed, check the version. If the version is less than 3.9.3.1, then the instance is vulnerable.
Upgrade to the latest version. Details on how to update apps can be found here.
Support
If you did not receive an email for this advisory and you wish to receive such emails in the future go to https://55degrees.se/subscribe and subscribe to the list named: Alerts, Advisories, & Policy Updates.
If you have questions or concerns regarding this advisory, please raise a support request via our support desk.
Last modified on May 10, 2021