SQL injection vulnerability in actions/usersettings/usersettings.php in WikkaWiki 1.3.1 and 1.3.2 allows remote attackers to execute arbitrary SQL commands via the default_comment_display parameter in an update action.
SQL injection vulnerability in libs/Wakka.class.php in WikkaWiki (Wikka Wiki) before 1.1.6.3 allows remote attackers to execute arbitrary SQL commands via the limit parameter. NOTE: this issue only applies to a "modified installation."