CVE-2012-1957
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-79
- EPSS score
- 2.1% (82th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-1966)
- Published
- July 18, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-1966 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
and 77 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00016.html
- http://osvdb.org/84000
- http://rhn.redhat.com/errata/RHSA-2012-1088.html
- http://secunia.com/advisories/49965
- http://secunia.com/advisories/49968
- http://secunia.com/advisories/49972
- http://secunia.com/advisories/49977
- http://secunia.com/advisories/49979
- http://secunia.com/advisories/49992
- http://secunia.com/advisories/49993
- http://secunia.com/advisories/49994
- http://www.mozilla.org/security/announce/2012/mfsa2012-47.html(Vendor Advisory)
- http://www.securityfocus.com/bid/54583
- http://www.securitytracker.com/id?1027256
- http://www.securitytracker.com/id?1027257
- http://www.securitytracker.com/id?1027258
- http://www.ubuntu.com/usn/USN-1509-1
- http://www.ubuntu.com/usn/USN-1509-2
- http://www.ubuntu.com/usn/USN-1510-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=750096
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16844
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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