Directory traversal vulnerability in attachmentlibrary.php in the XStandard component for Joomla! 1.5.8 and earlier allows remote attackers to list arbitrary directories via a .. (dot dot) in the XCMSLIBRARYPATH HTTP header.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! 1.5.7 and earlier allow remote authenticated users with certain privileges to inject arbitrary web script or HTML via (1) the title and description parameters to the comweblinks module and (2) unspecified vectors in the comcontent module related to "article submission."

PHP remote file inclusion vulnerability in lib/pcltar.lib.php (aka pcltar.php) in the PclTar module 1.3 and 1.3.1 for Vincent Blavet PhpConcept Library, as used in multiple products including (1) Joomla! 1.5.0 Beta, (2) N/X Web Content Management System (WCMS) 4.5, (3) CJG EXPLORER PRO 3.3, and (4) phpSiteBackup 0.1, allows remote attackers to execute arbitrary PHP code via a URL in the gpcltarlibdir parameter.

Cross-site scripting (XSS) vulnerability in Joomla! 1.5.x through 1.5.10 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to database output and the frontend administrative panel.