Stored XSS on /secure/admin/AssociatedProjectsForCustomField.jspa - CVE-2021-41310

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 Associated Projects feature (/secure/admin/AssociatedProjectsForCustomField.jspa).

The affected versions are before version 8.5.19, from version 8.6.0 before 8.13.11, and from version 8.14.0 before 8.19.1.

Affected versions:

• version < 8.5.19
• 8.6.0 ≤ version < 8.13.11
• 8.14.0 ≤ version < 8.19.1

Fixed versions:

• 8.5.19
• 8.13.11
• 8.19.1
• 8.20.0
• 8.21.0