Multiple cross-site request forgery (CSRF) vulnerabilities in TestLink 1.9.3 and earlier allow remote attackers to hijack the authentication of users for requests that add, delete, or modify sensitive information, as demonstrated by changing the administrator's email via an editUser action to lib/usermanagement/userInfo.php.

Multiple SQL injection vulnerabilities in TestLink before 1.8.5 allow remote authenticated users to execute arbitrary SQL commands via (1) the Test Case ID field to lib/general/navBar.php or (2) the logLevel parameter to lib/events/eventviewer.php.

Multiple cross-site scripting (XSS) vulnerabilities in TestLink before 1.8.5 allow remote attackers to inject arbitrary web script or HTML via (1) the req parameter to login.php, and allow remote authenticated users to inject arbitrary web script or HTML via (2) the key parameter to lib/general/staticPage.php, (3) the tableName parameter to lib/attachments/attachmentupload.php, or the (4) startDate, (5) endDate, or (6) logLevel parameter to lib/events/eventviewer.php; (7) the search_notes_string parameter to lib/results/resultsMoreBuilds_buildReport.php; or the (8) expected_results, (9) name, (10) steps, or (11) summary parameter in a find action to lib/testcases/searchData.php, related to lib/functions/database.class.php.