CVE-2012-1966
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context...
4.3 MediumFix available
CVE-2012-1966 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published July 17, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.19%, the 82nd percentile. Fixed in iceweasel 3.5.16-17.
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context-menu restrictions for data: URLs as for javascript: URLs, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.
Exploit likelihood
2.19%Down 1.2 points since Feb 4, 2022
What each source reports
NVD Score used
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context-menu restrictions for data: URLs as for javascript: URLs, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.
- Record
CVE-2012-1966- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context-menu restrictions for data: URLs as for javascript: URLs, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.
- Record
CVE-2012-1966- Updated
- 2026-11-02
EUVDEUVD-2012-1975 No score
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context-menu restrictions for data: URLs as for javascript: URLs, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.
- Record
EUVD-2012-1975- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fgj8-79hw-hmwq No score
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context...
Mozilla Firefox 4.x through 13.0 and Firefox ESR 10.x before 10.0.6 do not have the same context-menu restrictions for data: URLs as for javascript: URLs, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.
- Record
GHSA-fgj8-79hw-hmwq- 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-2024:14572-1 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 |
|---|---|---|
iceweaselDebian:6.0 |
before 3.5.16-17, plus listed versions 3.5.16-103.5.16-10~bpo50+13.5.16-113.5.16-11~bpo50+13.5.16-12 Show 14 moreShow less3.5.16-133.5.16-143.5.16-153.5.16-163.5.16-43.5.16-53.5.16-5~bpo50+13.5.16-63.5.16-6~bpo50+13.5.16-73.5.16-7~bpo50+13.5.16-83.5.16-8~bpo50+13.5.16-9 |
3.5.16-17 |
firefoxRed Hat:enterprise_linux:5::client |
before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
firefoxRed Hat:enterprise_linux:5::server |
before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
Show 25 moreShow less
| Package | Affected | Fixed |
|---|---|---|
xulrunnerRed Hat:enterprise_linux:5::server |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::server |
before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
firefoxRed Hat:enterprise_linux:6::client |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::client |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::client |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::computenode |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::computenode |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::computenode |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::server |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::server |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::server |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::workstation |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::workstation |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::workstation |
before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
MozillaFirefoxopenSUSE:Tumbleweed |
before 50.1.0-1.1 | 50.1.0-1.1 |
firefox-esropenSUSE:Tumbleweed |
before 128.5.1-1.1 | 128.5.1-1.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
secunia.com/advisories/49992
debian.org/security/2012/dsa-2514
securitytracker.com/id?1027256
rhn.redhat.com/errata/RHSA-2012-1088.html
ubuntu.com/usn/USN-1509-2
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17037
Show 194 moreShow less
lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html
osvdb.org/84009
mozilla.org/security/announce/2012/mfsa2012-46.html
securityfocus.com/bid/54577
bugzilla.mozilla.org/show_bug.cgi?id=734076
nvd.nist.gov/vuln/detail/CVE-2012-1966
github.com/advisories/GHSA-fgj8-79hw-hmwq
access.redhat.com/errata/RHSA-2012:1088
bugzilla.redhat.com/show_bug.cgi?id=838879
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1088.json
cve.org/CVERecord?id=CVE-2012-1948
suse.com/security/cve/CVE-2008-5913
This page doesn't list everything
Left out here: 1,945 references. The JSON record has them.