Mozilla: XSS and code execution through data: URLs (MFSA 2012-46)
Published Jul 18, 2012
4.3
MEDIUMCVSS 2.0
EPSS 2.19%
Description
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.
Affected products
No data.
Configuration 1
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0.1
- 5.0
- 5.0.1
- 6.0
- 6.0.1
- 6.0.2
- 7.0
- 7.0.1
- 8.0
- 8.0.1
- 9.0
- 9.0.1
- 11.0
- 12.0
- 12.0
- 13.0
No data.
Red Hat Enterprise Linux 5
firefox-0:10.0.6-1.el5_8
Fixed · RHSA-2012:1088
Red Hat Enterprise Linux 5
xulrunner-0:10.0.6-2.el5_8
Fixed · RHSA-2012:1088
Red Hat Enterprise Linux 6
firefox-0:10.0.6-1.el6_3
Fixed · RHSA-2012:1088
Red Hat Enterprise Linux 6
xulrunner-0:10.0.6-1.el6_3
Fixed · RHSA-2012:1088
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:10.0.6-1.el5_8 | Fixed | RHSA-2012:1088 |
| Red Hat Enterprise Linux 5 | xulrunner-0:10.0.6-2.el5_8 | Fixed | RHSA-2012:1088 |
| Red Hat Enterprise Linux 6 | firefox-0:10.0.6-1.el6_3 | Fixed | RHSA-2012:1088 |
| Red Hat Enterprise Linux 6 | xulrunner-0:10.0.6-1.el6_3 | Fixed | RHSA-2012:1088 |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.19% (0.02191) | 81.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.20% (0.02199) | 80.12th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.35% (0.01351) | 78.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.03% (0.03032) | 77.68th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.35% (0.01351) | 78.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.40% (0.00402) | 74.50th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.40% (0.00402) | 72.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.40% (0.00402) | 69.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.41% (0.03407) | 84.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.41% (0.03407) | 83.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.41% (0.03407) | 66.20th | v2 (v2022.01.01) |
References (22)
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00012.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00013.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/84009 vdb-entryx_refsource_OSVDB
- http://rhn.redhat.com/errata/RHSA-2012-1088.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/49964 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/49965 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/49972 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/49979 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/49992 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2012/dsa-2514 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2012/mfsa2012-46.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/54577 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027256 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-1509-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1509-2 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-1966 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=734076 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=840207 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-1966
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17037 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-1966
Change history (0)
No recorded changes yet.