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/.
https://www.htbridge.com/advisory/HTB23170
https://wush.net/trac/wikka/ticket/1153
https://wush.net/trac/wikka/ticket/1152
https://exchange.xforce.ibmcloud.com/vulnerabilities/87013
http://www.securityfocus.com/bid/62325