CVE-2010-4209 Cross-site scripting in n/a

Medium 4.3 Published 7 Nov 2010 Updated 7 Aug 2024

Remote attackers can inject arbitrary web script or HTML via the YUI Flash component, affecting applications like Bugzilla.

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-2010-4209?

CVE-2010-4209 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Nov 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 Flash component infrastructure in YUI 2.8.0 through 2.8.1, as used in Bugzilla 3.7.1 through 3.7.3 and 4.1, allows remote attackers to inject arbitrary web script or HTML via vectors related to swfstore/swfstore.swf.

Weakness: CWE-79

Which versions are affected by CVE-2010-4209?

It affects 1 product.

Products include Yahoo Yui.

How do I fix CVE-2010-4209?

No fix has been published for CVE-2010-4209 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-2010-4209 being exploited?

There is no known exploitation of CVE-2010-4209 in the wild and no public exploit code.

Sources

Also known as GHSA-pc4w-v257-3qm4, UBUNTU-CVE-2010-4209.