Advisory by Netsparker (now Invicti)
Name: Reflected XSS vulnerability in HESK help desk software
Affected Software: HESK help desk
Affected Versions: 2.6.7
Vendor Homepage:
Vulnerability Type: Cross-site Scripting
Severity: Important
Status: Fixed
Invicti Advisory Reference: NS-16-012

Technical Details

Proof of Concept URL for XSS vulnerability in HESK

Parameter Name: track
Parameter Type: GET
Attack Pattern: "><script>alert(document.domain)</script>

For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).

Advisory Timeline
03 Aug 2016 - Issue reported
10 Aug 2016 - Issue fixed

Patch released by HESK and announced here.

Credits & Authors
This issue has been discovered by Sven Morgenroth while testing Invicti Web Application Security Scanner.

About Invicti
Invicti Security is transforming the way web applications are secured. Invicti empowers organizations in every industry to scale their overall security operations, make the best use of their security resources, and engage developers in helping to improve their overall security posture.