AUGUST 4, 2026
Live Feed
Return to register
Case File

CVE-2012-3993

HIGH · CVSS 9.3 EPSS 42.61%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-10-10 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2012-3993
Severity
HIGH
CVSS
9.3
EPSS
42.61%
Chrome Firefox Java

Original Filing — NVD 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.