Cross-site request forgery (CSRF) vulnerability in admin/user.php in Synology Photo Station before 6.8.5-3471 and before 6.3-2975 allows remote attackers to hijack the authentication of administrators via the (1) username, (2) password, (3) admin, (4) action, (5) uid, or (6) modifyadmin parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Synology Photo Station before 6.3-2945 allow remote attackers to inject arbitrary web script or HTML via the (1) success parameter to login.php or (2) crafted URL parameters to index.php, as demonstrated by the t parameter to photo/.

A design flaw in authentication in Synology Photo Station 6.0-2528 through 6.7.1-3419 allows local users to obtain credentials via cmdline. Synology Photo Station employs the synophotodsmuser program to authenticate username and password by "synophotodsmuser --auth USERNAME PASSWORD", and local users are able to obtain credentials by sniffing "/proc//cmdline".