Title: YACS Multiple Remote File Include Vulnerabilities
Severity: HIGH
Description:
Yet Another Community System (YACS) is a web-based CMS implemented in PHP.
The application is prone to multiple remote file-include vulnerabilities because it fails to properly sanitize user-supplied input to the 'context[path_to_root]' parameter of the following scripts:
'article.php'
'populate.php'
'category.php'
'file.php'
'section.php'
'user.php'
An attacker can exploit these issues to include an arbitrary remote file containing malicious PHP code and execute it in the context of the webserver process. This may allow the attacker to compromise the application and the underlying system; other attacks are also possible.
YACS Version 6.6.1 is affected by this vulnerability; other versions may also be affected.
Affected Products:
- YACS YACS 6.6.1
References:
- YACS: YACS Home Page
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