Open Redirection Vulnerability in OpalCMS


AAdvisory by Netsparker (now Invicti)
Name: Open Redirection Vulnerability in OpalCMS
Software: OpalCMS 0.9.1 and possibly below.
Vendor Homepage: 
Vulnerability Type: Open Redirection
Severity: Medium
Researcher: Omar Kurt
Advisory Reference: NS-13-005


Opal is a powerful Item & Content Management System powered by Ruby on Rails. You can use Opal for blogging, listing items, storing files/images/videos, or for powering any awesome website.


Opal is affected by Open Redirection vulnerability in version 0.9.1.


You can read the full article about Open Redirection vulnerabilities from here:


Advisory Timeline

30/04/2013 – First contact
01/05/2013 – Second contact – Sent the vulnerability details
01/05/2013 – OpalCMS replied
24/07/2013 – Third contact – No response
01/08/2013 – Advisory Released


It haIt has been discovered on testing of Invicti Web Application Security Scanner.


  1. Vendor URL / Patch:
  2. MSL Advisory Link: /open-redirection-vulnerability-in-opal-cms/
  3. Invicti Advisories: /web-applications-advisories/

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