com_categories in Joomla! before 1.0.12 does not validate input, which has unknown impact and remote attack vectors.

Multiple unspecified vulnerabilities in Joomla! before 1.0.12 have unknown impact and attack vectors related to (1) "unneeded legacy functions" and (2) "Several low level security fixes."

Cross-site scripting (XSS) vulnerability in Joomla! before 1.0.12 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, possibly related to poll.php or the module title.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.11 allow remote attackers to inject arbitrary web script or HTML via unspecified parameters in (1) Admin Module Manager, (2) Admin Help, and (3) Search.

Unspecified vulnerability in com_content in Joomla! before 1.0.11, when $mosConfig_hideEmail is set, allows attackers to perform the emailform and emailsend tasks.

Joomla! before 1.0.11 does not limit access to the Admin Popups functionality, which has unknown impact and attack vectors.

Joomla! before 1.0.11 does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to have an unspecified impact. NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Joomla!.

Multiple unspecified vulnerabilities in Joomla! before 1.0.11, related to "Injection Flaws," allow attackers to have an unknown impact via (1) globals.php, which uses include_once() instead of require(); (2) the $options variable; (3) Admin Upload Image; (4) ->load(); (5) content submissions when frontpage is selected; (6) the mosPageNav constructor; (7) saveOrder functions; (8) the absence of "exploit blocking rules" in htaccess; and (9) the ACL.

Multiple SQL injection vulnerabilities in Joomla! before 1.0.10 allow remote attackers to execute arbitrary SQL commands via unspecified parameters involving the (1) "Remember Me" function, (2) "Related Items" module, and the (3) "Weblinks submission".

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.10 allow remote attackers to inject arbitrary web script or HTML via unspecified parameters involving the (1) getUserStateFromRequest function, and the (2) SEF and (3) com_messages modules.