CVE-2020-8966: Tiki Tikiwiki Cms/groupware

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

There is an Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in php webpages of Tiki-Wiki Groupware. Tiki-Wiki CMS all versions through 20.0 allows malicious users to cause the injection of malicious code fragments (scripts) into a legitimate web page.

Affected products

• Tiki Tikiwiki Cms/groupware: up to and including 20.0

Published 2020-04-01. Last modified 2026-06-17.