CVE-2017-12979 Cross-site scripting in n/a
An attacker can execute arbitrary JavaScript in DokuWiki by injecting a malicious language name into a code element, potentially compromising user sessions.
- 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
- Available
What is CVE-2017-12979?
CVE-2017-12979 is a medium-severity cross-site scripting vulnerability in n/a, published on 21 Aug 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
DokuWiki through 2017-02-19c has stored XSS when rendering a malicious language name in a code element, in /inc/parser/xhtml.php. An attacker can create or edit a wiki with this element to trigger JavaScript execution.
Weakness: CWE-79
Which versions are affected by CVE-2017-12979?
It affects 1 product.
Products include Dokuwiki Dokuwiki.
How do I fix CVE-2017-12979?
Upgrade to a fixed version.
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-2017-12979 being exploited?
There is no known exploitation of CVE-2017-12979 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-12979, GHSA-v82p-53p5-5mr8, UBUNTU-CVE-2017-12979.