CVE-2012-1957: XSS
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-1957?
CVE-2012-1957 is classified as a moderate severity vulnerability.
How do I fix CVE-2012-1957?
To address CVE-2012-1957, update to the latest version of affected Mozilla products that include the security patch.
Which versions are affected by CVE-2012-1957?
CVE-2012-1957 affects Mozilla Firefox versions 4.x through 13.0, Thunderbird versions 5.0 through 13.0, and SeaMonkey versions before 2.11.
What type of vulnerability is CVE-2012-1957?
CVE-2012-1957 is a vulnerability in the parser-utility class that improperly handles EMBED elements within RSS feed description elements.
What software can I update to mitigate CVE-2012-1957?
You can mitigate CVE-2012-1957 by updating Mozilla Firefox, Thunderbird, or SeaMonkey to their respective secure versions.