Reflected Cross-site Scripting Vulnerability in HESK Help Desk Sofware

Information

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: http://hesk.com
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:

URL: https://example.com/hesk/ticket.php?track=
Parameter Name: track
Parameter Type: GET
Attack Pattern: "><script>alert(document.domain)</script>

For more information on cross-site scripting vulnerabilities, see Cross-site Scripting (XSS).

Advisory Timeline

03 Aug 2016 – Issue reported
10 Aug 2016 – Issue fixed

Solution

Patch released by HESK and announced here.

Credits & Authors

These issues have 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.