SQL injection vulnerability in editusers.cgi in Bugzilla 2.16.x before 2.16.6, and 2.18 before 2.18rc1, allows remote attackers with privileges to grant membership to any group to execute arbitrary SQL.

Unknown vulnerability in the administrative controls in Bugzilla 2.17.1 through 2.17.7 allows users with "grant membership" privileges to grant memberships to groups that the user does not control.

Bugzilla 2.17.5 through 2.17.7 embeds the password in an image URL, which could allow local users to view the password in the web server log files.

DBI in Bugzilla 2.17.1 through 2.17.7 displays the database password in an error message when the SQL server is not running, which could allow remote attackers to gain sensitive information.

Multiple cross-site scripting vulnerabilities (XSS) in Bugzilla 2.16.x before 2.16.3 and 2.17.x before 2.17.4 allow remote attackers to insert arbitrary HTML or web script via (1) multiple default German and Russian HTML templates or (2) ALT and NAME attributes in AREA tags as used by the GraphViz graph generation feature for local dependency graphs.

Bugzilla 2.16.x before 2.16.3, 2.17.x before 2.17.4, and earlier versions allows local users to overwrite arbitrary files via a symlink attack on temporary files that are created in directories with group-writable or world-writable permissions.

The default .htaccess scripts for Bugzilla 2.14.x before 2.14.5, 2.16.x before 2.16.2, and 2.17.x before 2.17.3 do not include filenames for backup copies of the localconfig file that are made from editors such as vi and Emacs, which could allow remote attackers to obtain a database password by directly accessing the backup file.

The data collection script for Bugzilla 2.14.x before 2.14.5, 2.16.x before 2.16.2, and 2.17.x before 2.17.3 sets world-writable permissions for the data/mining directory when it runs, which allows local users to modify or delete the data.

Cross-site scripting (XSS) vulnerability in the quips feature in Mozilla Bugzilla 2.10 through 2.17 allows remote attackers to inject arbitrary web script or HTML via the "show all quips" page.

bugzilla_email_append.pl in Bugzilla 2.14.x before 2.14.4, and 2.16.x before 2.16.1, allows remote attackers to execute arbitrary code via shell metacharacters in a system call to processmail.