CVE-2007-5947 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can execute cross-site scripting attacks in Firefox via jar URIs due to improper origin handling, 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-2007-5947?

CVE-2007-5947 is a medium-severity cross-site scripting vulnerability in Mozilla Firefox, published on 14 Nov 2007. 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

The jar protocol handler in Mozilla Firefox before 2.0.0.10 and SeaMonkey before 1.1.7 retrieves the inner URL regardless of its MIME type, and considers HTML documents within a jar archive to have the same origin as the inner URL, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a jar: URI.

Weakness: CWE-79

Which versions are affected by CVE-2007-5947?

It affects 2 products.

Products include Mozilla Firefox, Mozilla Seamonkey.

How do I fix CVE-2007-5947?

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-2007-5947 being exploited?

There is no known exploitation of CVE-2007-5947 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-2cph-6c7j-7mmc.

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