CVE-2020-8966 Cross Site Scripting (XSS) flaws found in Tiki-Wiki CMS software
Attackers can inject malicious scripts into Tiki-Wiki CMS pages, potentially leading to code execution or account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-8966?
CVE-2020-8966 is a medium-severity cross-site scripting vulnerability in Tiki Tikiwiki Cms\/Groupware, published on 1 Apr 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2020-8966?
It affects 1 product.
Products include Tiki Tikiwiki Cms\/Groupware.
How do I fix CVE-2020-8966?
No fix has been published for CVE-2020-8966 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-8966 being exploited?
There is no known exploitation of CVE-2020-8966 in the wild and no public exploit code.
Other vulnerabilities in Tiki Tikiwiki Cms\/Groupware
- CVE-2008-3653 Multiple unspecified vulnerabilities in TikiWiki CMS/Groupware before 2.0 have unknown impact and attack vectors.
- CVE-2007-6529 Other in n/a
- CVE-2010-4239 Path traversal in CMS Groupware
- CVE-2012-0911 Deserialization in n/a
- CVE-2025-34111 Tiki Wiki <= 15.1 ELFinder Unauthenticated File Upload RCE
Sources
Also known as GHSA-cqjm-hwgq-8mp2.