Multiple cross-site request forgery (CSRF) vulnerabilities in Piwigo before 2.6.2 allow remote attackers to hijack the authentication of administrators for requests that use the (1) pwg.groups.addUser, (2) pwg.groups.deleteUser, (3) pwg.groups.setInfo, (4) pwg.users.setInfo, (5) pwg.permissions.add, or (6) pwg.permissions.remove method.
Cross-site request forgery (CSRF) vulnerability in the LocalFiles Editor plugin in Piwigo before 2.4.7 allows remote attackers to hijack the authentication of administrators for requests that create arbitrary PHP files via unspecified vectors.
Directory traversal vulnerability in install.php in Piwigo before 2.4.7 allows remote attackers to read and delete arbitrary files via a .. (dot dot) in the dl parameter.