CVE-2012-1956
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent...
4.3 Medium
CVE-2012-1956 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published August 29, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.89%, the 79th percentile. No source names a fixed version.
- Severity
- 4.3 MediumCVSS 2.0, NVD
- Exploit chance
- 1.89%EPSS, 79th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent use of the Object.defineProperty method to shadow the location object (aka window.location), which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via vectors involving a plugin.
Exploit likelihood
1.89%Down 0.1 points since Feb 4, 2022
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 |
What each source reports
NVD Score used
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent use of the Object.defineProperty method to shadow the location object (aka window.location), which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via vectors involving a plugin.
- Record
CVE-2012-1956- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE ListNo score
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent use of the Object.defineProperty method to shadow the location object (aka window.location), which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via vectors involving a plugin.
- Record
CVE-2012-1956- Updated
- 2026-11-02
EUVDEUVD-2012-1965No score
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent use of the Object.defineProperty method to shadow the location object (aka window.location), which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via vectors involving a plugin.
- Record
EUVD-2012-1965- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8449-cw6v-fqcwNo score
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent...
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent use of the Object.defineProperty method to shadow the location object (aka window.location), which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via vectors involving a plugin.
- Record
GHSA-8449-cw6v-fqcw- Weakness
- CWE-79
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10071-1No 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-2024:10218-1No 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-2024:10230-1No 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-2024:14572-1No 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
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16367
rhn.redhat.com/errata/RHSA-2012-1351.html
bugzilla.mozilla.org/show_bug.cgi?id=756719
securityfocus.com/bid/55260
mozilla.org/security/announce/2012/mfsa2012-59.html
ubuntu.com/usn/USN-1548-1
Show 194 moreShow less
lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html
nvd.nist.gov/vuln/detail/CVE-2012-1956
github.com/advisories/GHSA-8449-cw6v-fqcw
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: 1,997 references. The JSON record has them.