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Advisory Name: Permanent Cross-Site Scripting (XSS) in FreePBX 2.5.x 2.6.0
Internal Cybsec Advisory Id: 2010-0102
Vulnerability Class: Permanent Cross-Site Scripting (XSS)
Release Date: 15/01/2010
Affected Applications: Confirmed in FreePBX 2.5.x and 2.6.0 - Other versions may also be affected
Affected Platforms: Any running FreePBX 2.5.x and 2.6.0
Local / Remote: Remote
Severity: Medium CVSS: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Researcher: Ivan Huertas
Vendor Status: Patched
Reference to Vulnerability Disclosure Policy: http://www.cybsec.com/vulnerability_policy.pdf
A permanent Cross Site Scripting vulnerability was found in FreePBX 2.5.x and 2.6, because the application fails to sanitize user-supplied input. The vulnerability can be triggered by any logged-in user who is able to add an Inbound Route.
Proof of Concept:
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 application.
Vendor Response: 2009-30-12 Vulnerability was identified 2010-01-07 Vendor contacted 2010-01-11 Vendor confirmed vulnerability 2010-01-14 Vendor released fixed version 2010-01-15 Vulnerability published
For more information regarding the vulnerability feel free to contact the
ihuertas <at> cybsec <dot> com
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