Lexiglot through 2014-11-20 allows remote attackers to obtain sensitive information (full path) via an include/smarty/plugins/modifier.date_format.php request if PHP has a non-recommended configuration that produces warning messages.
Lexiglot through 2014-11-20 allows XSS (Reflected) via the username, or XSS (Stored) via the admin.php?page=config install_name, intro_message, or new_file_content parameter.
The Community plugin 2.9.e-beta for Piwigo allows users to set image information on images in albums for which they do not have permission, by manipulating the image_id parameter.