SQL injection vulnerability in the administrative backend in Piwigo through 2.9.1 allows remote users to execute arbitrary SQL commands via the cat_false or cat_true parameter in the comments or status page to cat_options.php.
Cross-site scripting (XSS) vulnerability in Piwigo 2.9.1 allows remote authenticated administrators to inject arbitrary web script or HTML via the virtual_name parameter to /admin.php (i.e., creating a virtual album).