CVE-2009-4589 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via the ip parameter in MediaWiki's Special:Block implementation.
- 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-2009-4589?
CVE-2009-4589 is a medium-severity cross-site scripting vulnerability in Mediawiki Mediawiki, published on 7 Jan 2010. 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
Cross-site scripting (XSS) vulnerability in the Special:Block implementation in the getContribsLink function in SpecialBlockip.php in MediaWiki 1.14.0 and 1.15.0 allows remote attackers to inject arbitrary web script or HTML via the ip parameter.
Weakness: CWE-79
Which versions are affected by CVE-2009-4589?
It affects 2 products.
Products include Mediawiki Mediawik, Mediawiki Mediawiki.
How do I fix CVE-2009-4589?
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-2009-4589 being exploited?
There is no known exploitation of CVE-2009-4589 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2009-4589, GHSA-7wv2-pcxg-363g.