CVE-2017-9305 Cross-site scripting in n/a
Remote attackers can bypass XSS filters in Tiki Wiki CMS using padded zero characters, potentially leading to script 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-2017-9305?
CVE-2017-9305 is a medium-severity cross-site scripting vulnerability in Tiki Tikiwiki Cms\/Groupware, published on 31 May 2017. 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
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.
Weakness: CWE-79
Which versions are affected by CVE-2017-9305?
It affects 1 product.
Products include Tiki Tikiwiki Cms\/Groupware.
How do I fix CVE-2017-9305?
No fix has been published for CVE-2017-9305 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-2017-9305 being exploited?
There is no known exploitation of CVE-2017-9305 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-5crj-x864-vhj2.