Advisory by Netsparker.
Name: Local File Inclusion Vulnerability in ArticleFR
Affected Software : ArticleFR
Affected Versions: 3.0.5 and possibly below
Vendor Homepage :
Vulnerability Type : Local File Inclusion
Severity : Critical
Netsparker Advisory Reference : NS-15-004

By exploiting a Local File Inclusion vulnerability the attacker can gather usernames via an "/etc/passwd" file and more.

Technical Details
Proof of Concept URLs for LFI in ArticleFR:

For more information on local file inclusion vulnerabilities read the article Local File Inclusion (LFI).

Advisory Timeline
23/01/2015 - First Contact
30/01/2015 - Second Contact
17/02/2015 - Third Contact
03/03/2015 - No answer, advisory released

Credits & Authors
These issues have been discovered by Omar Kurt while testing Netsparker Web Application Security Scanner.

About Netsparker
Netsparker finds and reports security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications regardless of the platform and the technology they are built on. Netsparker's unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities, hence it is the first and only False Positive Free web application security scanner.