CVE-2014-2018 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can inject arbitrary web script or HTML into email clients via crafted data URLs in OBJECT or EMBED elements, requiring user interaction to view the message.

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-2014-2018?

CVE-2014-2018 is a medium-severity cross-site scripting vulnerability in Mozilla Seamonkey, published on 17 Feb 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 Mozilla Thunderbird 17.x through 17.0.8, Thunderbird ESR 17.x through 17.0.10, and SeaMonkey before 2.20 allows user-assisted remote attackers to inject arbitrary web script or HTML via an e-mail message containing a data: URL in a (1) OBJECT or (2) EMBED element, a related issue to CVE-2013-6674.

Weakness: CWE-79

Which versions are affected by CVE-2014-2018?

It affects 3 products.

Products include Mozilla Seamonkey, Mozilla Thunderbird, Mozilla Thunderbird Esr.

How do I fix CVE-2014-2018?

No fix has been published for CVE-2014-2018 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-2014-2018 being exploited?

There is no known exploitation of CVE-2014-2018 in the wild and no public exploit code.

All Mozilla Seamonkey vulnerabilities

Sources

Also known as GHSA-r5wp-hg7f-vr2m.

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