CVE-2013-0757

Public Exploit

Description

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 does not prevent modifications to the prototype of an object, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by referencing Object.prototype.__proto__ in a crafted HTML document.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 74.57% Top 5%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2013-0757?
CVE-2013-0757 has been scored as a critical severity vulnerability.
How to fix CVE-2013-0757?
To fix CVE-2013-0757, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-0757 being actively exploited in the wild?
It is possible that CVE-2013-0757 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~75% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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