CVE-2012-1957
An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before...
4.3 Medium
CVE-2012-1957 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published July 18, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.08%, the 81st percentile. No source names a fixed version.
- Severity
- 4.3 MediumCVSS 2.0, NVD
- Exploit chance
- 2.08%EPSS, 81st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.
Exploit likelihood
2.08%Down 1.8 points since Feb 4, 2022
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:5::client From an advisory covering 17 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 17 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
firefoxRed Hat:enterprise_linux:5::server From an advisory covering 17 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 17 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::server From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
Show 35 moreShow less
| Package | Affected | Fixed |
|---|---|---|
xulrunner-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::server From an advisory covering 17 CVEs | before 0:10.0.6-2.el5_8 | 0:10.0.6-2.el5_8 |
firefoxRed Hat:enterprise_linux:6::client From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::client From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::client From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::computenode From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::computenode From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::computenode From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::server From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::server From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::server From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::workstation From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::workstation From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::workstation From an advisory covering 17 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:5::client From an advisory covering 14 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
thunderbird-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 14 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
thunderbirdRed Hat:rhel_productivity:5 From an advisory covering 14 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
thunderbird-debuginfoRed Hat:rhel_productivity:5 From an advisory covering 14 CVEs | before 0:10.0.6-1.el5_8 | 0:10.0.6-1.el5_8 |
thunderbirdRed Hat:enterprise_linux:6::client From an advisory covering 14 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 14 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::server From an advisory covering 14 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 14 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::workstation From an advisory covering 14 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 14 CVEs | before 0:10.0.6-1.el6_3 | 0:10.0.6-1.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
An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.
- Record
CVE-2012-1957- 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
An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.
- Record
CVE-2012-1957- Updated
- 2026-11-02
EUVDEUVD-2012-1966No score
An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.
- Record
EUVD-2012-1966- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f778-wp6q-3cwjNo score
An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before...
An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.
- Record
GHSA-f778-wp6q-3cwj- 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
secunia.com/advisories/49977
osvdb.org/84000
securitytracker.com/id?1027256
rhn.redhat.com/errata/RHSA-2012-1088.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16844
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ubuntu.com/usn/USN-1509-2
lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html
securityfocus.com/bid/54583
mozilla.org/security/announce/2012/mfsa2012-47.html
bugzilla.mozilla.org/show_bug.cgi?id=750096
nvd.nist.gov/vuln/detail/CVE-2012-1957
github.com/advisories/GHSA-f778-wp6q-3cwj
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: 1,997 references. The JSON record has them.