The mosgetparam implementation in Joomla! before 1.0.10, does not set a variable's data type to integer when the variable's default value is numeric, which has unspecified impact and attack vectors, which may permit SQL injection attacks.

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

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

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 includeonce() 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".