Stored Cross-site Scripting Vulnerability in VFront 0.99.5


Advisory by Netsparker (now Invicti)
Name: Stored Cross-site Scripting Vulnerability in VFront
Affected Software: VFront
Affected Versions: 0.99.5
Vulnerability: Stored Cross-site Scripting
Severity: High
Status: Fixed
CVE-ID: CVE-2019-9838
CVSS Score (3.0): 8.6 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Invicti Advisory Reference: NS-19-003

Technical Details

Injection Technical Details

URL: http://{domain}/{vfront_path}/admin/sync_reg_tab.php?azzera=
Parameter Name: azzera
Parameter Type: GET
Attack Pattern: '"--&gt;</style></scRipt><scRipt>alert(0x0067C2)</scRipt>

Identification Technical Details

URL: http://{domain}/{vfront_path}/admin/error_log.php

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

Advisory Timeline

5th April 2019 – First Contact
16th May 2019 – Vendor Fixed
28th May 2019 – Advisory Released

Credits & Authors

These issues have been discovered by Omer Citak while testing the 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.