CVE-2010-2763 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can bypass Same Origin Policy and execute cross-site scripting attacks in Mozilla Firefox via crafted functions.

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-2010-2763?

CVE-2010-2763 is a medium-severity cross-site scripting vulnerability in Mozilla Firefox, published on 9 Sep 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

The XPCSafeJSObjectWrapper class in the SafeJSObjectWrapper (aka SJOW) implementation in Mozilla Firefox before 3.5.12, Thunderbird before 3.0.7, and SeaMonkey before 2.0.7 does not properly restrict scripted functions, which allows remote attackers to bypass the Same Origin Policy and conduct cross-site scripting (XSS) attacks via a crafted function.

Weakness: CWE-79

Which versions are affected by CVE-2010-2763?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird.

How do I fix CVE-2010-2763?

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-2010-2763 being exploited?

There is no known exploitation of CVE-2010-2763 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-39cx-g389-rw9j.

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