CVE-2008-3836 Cross-site scripting in n/a

High 7.5 Published Updated

Remote attackers can execute scripts with chrome privileges in Mozilla Firefox via feed preview vectors, requiring user interaction.

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-2008-3836?

CVE-2008-3836 is a high-severity cross-site scripting vulnerability in Mozilla Firefox, published on 24 Sep 2008. 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

feedWriter in Mozilla Firefox before 2.0.0.17 allows remote attackers to execute scripts with chrome privileges via vectors related to feed preview and the (1) elem.doCommand, (2) elem.dispatchEvent, (3) _setTitleText, (4) _setTitleImage, and (5) _initSubscriptionUI functions.

Weakness: CWE-264

Which versions are affected by CVE-2008-3836?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2008-3836?

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-2008-3836 being exploited?

There is no known exploitation of CVE-2008-3836 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-v3vw-x43v-2399.

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