CVE-2012-6453 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via crafted feeds in the MediaWiki RSS Reader extension, requiring user interaction to execute.
- 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-2012-6453?
CVE-2012-6453 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Dec 2012. 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 RSS Reader extension before 0.2.6 for MediaWiki allows remote attackers to inject arbitrary web script or HTML via a crafted feed.
Weakness: CWE-79
Which versions are affected by CVE-2012-6453?
It affects 1 product.
Products include Mediawiki Rssreader.
How do I fix CVE-2012-6453?
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-2012-6453 being exploited?
There is no known exploitation of CVE-2012-6453 in the wild and no public exploit code.
Sources
Also known as DSA-2596-1, GHSA-6mcc-9h2f-gjqf.