PHPChain 1.0 and earlier allows remote attackers to obtain the installation path via invalid values of the catid parameter to (1) settings.php or (2) cat.php, as demonstrated by XSS manipulations.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification
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Vulnerable software and versions