Multiple directory traversal vulnerabilities in fm.php in Simple File Manager (SFM) 0.24a allow remote attackers to use ".." sequences to (1) read arbitrary files via the filename parameter in a download action, (2) delete arbitrary files via the delete parameter, and (3) modify arbitrary files via the edit parameter, which can be leveraged to execute arbitrary code.
Cross-site scripting (XSS) vulnerability in fm.php in ONEdotOH Simple File Manager (SFM) 0.24a and earlier allows remote attackers to inject arbitrary web script or HTML via the msg parameter.
Cross-site scripting (XSS) vulnerability in ONEdotOH Simple File Manager (SFM) before 0.21 allows remote attackers to inject arbitrary web script or HTML via (1) file names and (2) directory names.