Multiple SQL injection vulnerabilities in Elvin 1.2.0 allow remote attackers to execute arbitrary SQL commands via the (1) inUser (aka Username) and (2) inPass (aka Password) parameters to (a) inc/login.ei, reachable through login.php; and the (3) id parameter to (b) show_bug.php and (c) show_activity.php. NOTE: it was later reported that vector 3c also affects 1.2.2.

Directory traversal vulnerability in page.php in Elvin 1.2.0 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the id parameter.

delete_bug.php in Elvin before 1.2.1 does not require administrative privileges, which allows remote authenticated users to bypass intended access restrictions and delete arbitrary bugs.

Cross-site scripting (XSS) vulnerability in close_bug.php in Elvin before 1.2.1 allows remote attackers to inject arbitrary web script or HTML via the title (aka subject) field.

Cross-site scripting (XSS) vulnerability in show_activity.php in Elvin 1.2.0 allows remote attackers to inject arbitrary web script or HTML via the id parameter.

SQL injection vulnerability in close_bug.php in Elvin before 1.2.1 allows remote attackers to execute arbitrary SQL commands via the title (aka subject) field.

Cross-site request forgery (CSRF) vulnerability in login.php in Elvin 1.2.0 allows remote attackers to hijack the authentication of arbitrary users via a logout action.

Elvin 1.2.0 allows remote attackers to read the PHP source code of (1) login.ei, (2) jump_bug.ei, or (3) create_account.ei in inc/ via a direct request.

Multiple cross-site scripting (XSS) vulnerabilities in Elvin 1.2.2 allow remote attackers to inject arbitrary web script or HTML via the (1) component and (2) priority parameters to buglist.php; and the (3) Username (4) E-mail, (5) Pass, and (6) Confirm pass fields to createaccount.php.