CVE-2012-1957

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.00% Top 25%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/49977 third party advisory
http://secunia.com/advisories/49992 third party advisory
http://osvdb.org/84000 vdb entry
http://www.securitytracker.com/id?1027256 vdb entry
http://rhn.redhat.com/errata/RHSA-2012-1088.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16844 vdb entry signature
http://www.ubuntu.com/usn/USN-1509-2 vendor advisory
http://www.securitytracker.com/id?1027258 vdb entry
http://secunia.com/advisories/49979 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html vendor advisory
http://www.ubuntu.com/usn/USN-1510-1 vendor advisory
http://secunia.com/advisories/49965 third party advisory
http://www.securitytracker.com/id?1027257 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00016.html vendor advisory
http://www.securityfocus.com/bid/54583 vdb entry
http://www.mozilla.org/security/announce/2012/mfsa2012-47.html vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=750096
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00012.html vendor advisory
http://secunia.com/advisories/49994 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00013.html vendor advisory
http://secunia.com/advisories/49968 third party advisory
http://www.ubuntu.com/usn/USN-1509-1 vendor advisory
http://secunia.com/advisories/49993 third party advisory
http://secunia.com/advisories/49972 third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-1957?
CVE-2012-1957 has been scored as a medium severity vulnerability.
How to fix CVE-2012-1957?
To fix CVE-2012-1957, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-1957 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-1957 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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