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.

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.

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.

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 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.

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.

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.

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.

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.