Cross-site scripting (XSS) vulnerability in wikka.php in WikkaWiki before 1.3.4-p1 allows remote attackers to inject arbitrary web script or HTML via the wakka parameter to sql/.
The RecentChanges feature in WikkaWiki (Wikka Wiki) before 1.1.6.3 allows remote attackers to obtain the names, and possibly revision notes and dates, of private pages via RSS feeds.