CVE-2017-9305: Tiki Tikiwiki Cms/groupware

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

lib/core/TikiFilter/PreventXss.php in Tiki Wiki CMS Groupware 16.2 allows remote attackers to bypass the XSS filter via padded zero characters, as demonstrated by an attack on tiki-batch_send_newsletter.php.

Affected products

• Tiki Tikiwiki Cms/groupware: version 16.2 only

Published 2017-05-31. Last modified 2026-06-17.