Multiple cross-site scripting (XSS) vulnerabilities in eXtplorer 2.1.3, when used as a component for Joomla!, allow remote attackers to inject arbitrary web script or HTML via the PATHINFO to (1) application.js.php in scripts/ or (2) admin.php, (3) copymove.php, (4) functions.php, (5) header.php, or (6) upload.php in include/.

eXtplorer 2.1.14 contains an authentication bypass vulnerability that allows attackers to login without a password by manipulating the login request. Attackers can exploit this flaw to upload malicious PHP files and execute remote commands on the vulnerable file management system.

A security flaw has been discovered in soerennb eXtplorer up to 2.1.15. The affected element is an unknown function of the component Filename Handler. The manipulation results in cross site scripting. The attack may be launched remotely. The patch is identified as 002def70b985f7012586df2c44368845bf405ab3. Applying a patch is advised to resolve this issue.

eXtplorer 2.1.0b6 uses world writable permissions for the /var/lib/extplorer/ftptmp directory, which allows local users to delete or overwrite arbitrary files.

Cross-site request forgery (CSRF) vulnerability in eXtplorer 2.1 RC3 and earlier allows remote attackers to hijack the authentication of administrators for requests that add an administrator account via an adduser admin action.