Reporter Nahuel Grisolia
Affected Platforms: Any running Achievo
Severity: Medium – CVSS: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Vendor Status: New release available (Achievo 1.4.3)
Reference to Vulnerability Disclosure Policy: http://www.cybsec.com/vulnerability_policy.pdf
A permanent Cross Site Scripting vulnerability was found in Achievo 1.4.2, because the application
fails to sanitize user-supplied input. The vulnerability can be triggered by any logged-in user who is
able to add a Scheduler Category.
Proof of Concept:
* Add <script>alert(“XSS in Category”);</script> as a new category. Then, browse the Scheduler.
An affected user may unintentionally execute scripts or actions written by an attacker. In addition, an
attacker may obtain authorization cookies that would allow him to gain unauthorized access to the
New category is now correctly sanitized.
2009-12-03 – Vulnerability was identified
2009-12-03 – Vendor contacted
2009-12-03 – Vendor confirmed vulnerability
2009-12-03 – Vendor released fixed version
2009-12-04 – Vulnerability published
For more information regarding the vulnerability feel free to contact the researcher at
ngrisolia <at> cybsec <dot> com
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