Gallery 2 up to 2.0.2 allows remote attackers to spoof their IP address via a modified X-Forwarded-For (X_FORWARDED_FOR) HTTP header, which is checked by Gallery before other more reliable sources of IP address information, such as REMOTE_ADDR.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 72.4%