Information
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Advisory by Netsparker (now Invicti)
Name: Open Redirection Vulnerabilities in OrangeForum 1.4.0
Affected Software: OrangeForum
Affected Versions: 1.4.0
Homepage: https://github.com/s-gv/orangeforum
Vulnerability: Open Redirection
Severity: Medium
Status: Fixed
CVE-ID: CVE-2018-14474
CVSS Score (3.0): CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N (6.5)
Invicti Advisory Reference: NS-18-044

Technical Details
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URL  http://app.scan:9123/login?next=http://r87.com/?app.scan/  
Parameter Name  next
Parameter Type  GET
Attack Pattern  http://r87.com/?app.scan/  

URL  http://app.scan:9123/signup?next=http://r87.com/?app.scan/  
Parameter Name  next
Parameter Type  GET
Attack Pattern  http://r87.com/?app.scan/

Advisory Timeline
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15th January 2018- First Contact
26th June 2018 - Vendor Fixed
9th January 2019 - Advisory Released

Credits & Authors
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These issues have been discovered by Omar Kurt while testing 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.