The file name is not properly escaped in the changeset diff of tracker artifact view.
A malicious user with the capability to add and remove attachment to an artifact could force a victim to execute uncontrolled code.
CVSSv3.1 score: 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
The issue can be demonstrated by adding a file named
<img src=a onerror=alert(1)> to an artifact and then delete it.
OWASP Cross-site Scripting