CVE-2012-5882 Cross-site scripting in n/a

Medium 4.3 Published 16 Nov 2012 Updated 6 Aug 2024

Remote attackers can inject arbitrary web script or HTML via the YUI Flash uploader component, 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: None listed

What is CVE-2012-5882?

CVE-2012-5882 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Nov 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 Flash component infrastructure in YUI 2.5.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via vectors related to uploader.swf, a similar issue to CVE-2010-4208.

Weakness: CWE-79

Which versions are affected by CVE-2012-5882?

It affects 1 product.

Products include Yahoo Yui.

How do I fix CVE-2012-5882?

No fix has been published for CVE-2012-5882 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-2012-5882 being exploited?

There is no known exploitation of CVE-2012-5882 in the wild and no public exploit code.

Sources

Also known as GHSA-x878-5xff-v777.