CVE-2012-3993
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x...
9.3 HighPublic exploit
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.
Exploit likelihood
42.6%Up 39.2 points since Feb 4, 2022
What each source reports
NVD Score used
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.
- Record
CVE-2012-3993- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-3993- Updated
- 2026-11-02
EUVDEUVD-2012-3937 No score
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.
- Record
EUVD-2012-3937- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3587-g6j7-969g No score
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x...
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.
- Record
GHSA-3587-g6j7-969g- Weakness
- CWE-269
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10071-1 No score
MozillaFirefox-50.1.0-1.1 on GA media
These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10071-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10218-1 No score
seamonkey-2.40-6.1 on GA media
These are all security issues fixed in the seamonkey-2.40-6.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10218-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10230-1 No score
MozillaThunderbird-45.5.1-1.1 on GA media
These are all security issues fixed in the MozillaThunderbird-45.5.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10230-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:14572-1 No score
firefox-esr-128.5.1-1.1 on GA media
These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14572-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:5::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
firefoxRed Hat:enterprise_linux:5::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
Show 35 moreShow less
| Package | Affected | Fixed |
|---|---|---|
xulrunner-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
firefoxRed Hat:enterprise_linux:6::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::computenode From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::computenode From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::computenode From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:5::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
thunderbird-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
thunderbirdRed Hat:rhel_productivity:5 From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
thunderbird-debuginfoRed Hat:rhel_productivity:5 From an advisory covering 20 CVEs |
before 0:10.0.8-1.el5_8 | 0:10.0.8-1.el5_8 |
thunderbirdRed Hat:enterprise_linux:6::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 20 CVEs |
before 0:10.0.8-1.el6_3 | 0:10.0.8-1.el6_3 |
MozillaFirefoxopenSUSE:Tumbleweed From an advisory covering 899 CVEs |
before 50.1.0-1.1 | 50.1.0-1.1 |
MozillaThunderbirdopenSUSE:Tumbleweed From an advisory covering 560 CVEs |
before 45.5.1-1.1 | 45.5.1-1.1 |
firefox-esropenSUSE:Tumbleweed From an advisory covering 1860 CVEs |
before 128.5.1-1.1 | 128.5.1-1.1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Mozilla Firefox 5.0 < 15.0.1 - __exposedProps__ XCS Code Execution (Metasploit) | 2013-08-06 |
| Metasploit | Firefox 5.0 - 15.0.1 __exposedProps__ XCS Code Execution | 2013-08-06 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-3993 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published October 10, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 42.6%, the 98th percentile. No source names a fixed version.
References
secunia.com/advisories/50904
mozilla.org/security/announce/2012/mfsa2012-83.html
Show 194 moreShow less
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16718
rhn.redhat.com/errata/RHSA-2012-1351.html
exchange.xforce.ibmcloud.com/vulnerabilities/79153
osvdb.org/86111
bugzilla.mozilla.org/show_bug.cgi?id=768101
lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
mandriva.com/security/advisories?name=MDVSA-2012:163
ubuntu.com/usn/USN-1611-1
securityfocus.com/bid/56119
nvd.nist.gov/vuln/detail/CVE-2012-3993
github.com/advisories/GHSA-3587-g6j7-969g
access.redhat.com/errata/RHSA-2012:1350
bugzilla.redhat.com/show_bug.cgi?id=851912
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1350.json
cve.org/CVERecord?id=CVE-2012-1956
suse.com/security/cve/CVE-2008-5913
This page doesn't list everything
Left out here: 2,004 references. The JSON record has them.