CVE-2013-6853 Cross-site scripting in n/a

Medium 4.3 Published 26 Jan 2014 Updated 6 Aug 2024

Remote attackers can inject arbitrary web script or HTML via crafted URLs stored by victims using the Y! Toolbar plugin for Firefox.

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-2013-6853?

CVE-2013-6853 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Jan 2014. 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 clickstream.js in Y! Toolbar plugin for FireFox 3.1.0.20130813024103 for Mac, and 2.5.9.2013418100420 for Windows, allows remote attackers to inject arbitrary web script or HTML via a crafted URL that is stored by the victim.

Weakness: CWE-79

Which versions are affected by CVE-2013-6853?

It affects 1 product.

Products include Yahoo Toolbar.

How do I fix CVE-2013-6853?

No fix has been published for CVE-2013-6853 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-2013-6853 being exploited?

There is no known exploitation of CVE-2013-6853 in the wild and no public exploit code.

Sources

Also known as GHSA-xrr6-69ww-5ggj.