CVE-2012-3993: The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and…

Unscored severity · published Oct 10, 2012

CVE-2012-3993

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and…

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CVSS

42.6%

EPSS

On KEV

Description

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 does not properly interact with failures of InstallTrigger methods, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site, related to an "XrayWrapper pollution" issue.

Exploitation

Is it being used?

Exploit prediction (EPSS)42.6% · higher than 99% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Firefox · Mozilla

10.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.0.5; +34 more · source: NVD

Seamonkey · Mozilla

through 2.13; 2.0; 2.0; 2.0; 2.0; 2.0; +34 more · source: NVD