CVE-2013-1687 Cross-site scripting in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary JavaScript with chrome privileges or conduct XSS attacks via crafted websites in Firefox and Thunderbird.

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-2013-1687?

CVE-2013-1687 is a critical cross-site scripting vulnerability in Mozilla Firefox, published on 26 Jun 2013. 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 System Only Wrapper (SOW) and Chrome Object Wrapper (COW) implementations in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properly restrict XBL user-defined functions, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges, or conduct cross-site scripting (XSS) attacks, via a crafted web site.

Weakness: CWE-264

Which versions are affected by CVE-2013-1687?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Thunderbird, Mozilla Thunderbird Esr.

How do I fix CVE-2013-1687?

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-2013-1687 being exploited?

There is no known exploitation of CVE-2013-1687 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-r57r-cv7v-6687.

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