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.
Joomla! 1.0.7 and earlier allows attackers to bypass intended access restrictions and gain certain privileges via certain attack vectors related to the (1) Weblink, (2) Polls, (3) Newsfeeds, (4) Weblinks, (5) Content, (6) Content Section, (7) Content Category, (8) Contact items, or (9) Contact Search, (10) Content Search, (11) Newsfeed Search, or (12) Weblink Search.