medium
4.3
CWE
79
Advisory Published
Updated

CVE-2012-1957: XSS

First published: Wed Jul 18 2012(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox=4.0
Mozilla Firefox=4.0-beta1
Mozilla Firefox=4.0-beta10
Mozilla Firefox=4.0-beta11
Mozilla Firefox=4.0-beta12
Mozilla Firefox=4.0-beta2
Mozilla Firefox=4.0-beta3
Mozilla Firefox=4.0-beta4
Mozilla Firefox=4.0-beta5
Mozilla Firefox=4.0-beta6
Mozilla Firefox=4.0-beta7
Mozilla Firefox=4.0-beta8
Mozilla Firefox=4.0-beta9
Mozilla Firefox=4.0.1
Mozilla Firefox=5.0
Mozilla Firefox=5.0.1
Mozilla Firefox=6.0
Mozilla Firefox=6.0.1
Mozilla Firefox=6.0.2
Mozilla Firefox=7.0
Mozilla Firefox=7.0.1
Mozilla Firefox=8.0
Mozilla Firefox=8.0.1
Mozilla Firefox=9.0
Mozilla Firefox=9.0.1
Mozilla Firefox=11.0
Mozilla Firefox=12.0
Mozilla Firefox=12.0-beta6
Mozilla Firefox=13.0
Mozilla Firefox ESR=10.0
Mozilla Firefox ESR=10.0.1
Mozilla Firefox ESR=10.0.2
Mozilla Firefox ESR=10.0.3
Mozilla Firefox ESR=10.0.4
Mozilla Firefox ESR=10.0.5
Mozilla Thunderbird=5.0
Mozilla Thunderbird=6.0
Mozilla Thunderbird=6.0.1
Mozilla Thunderbird=6.0.2
Mozilla Thunderbird=7.0
Mozilla Thunderbird=7.0.1
Mozilla Thunderbird=8.0
Mozilla Thunderbird=9.0
Mozilla Thunderbird=9.0.1
Mozilla Thunderbird=10.0
Mozilla Thunderbird=10.0.1
Mozilla Thunderbird=10.0.2
Mozilla Thunderbird=10.0.3
Mozilla Thunderbird=10.0.4
Mozilla Thunderbird=11.0
Mozilla Thunderbird=12.0
Mozilla Thunderbird=13.0
Mozilla Thunderbird ESR=10.0
Mozilla Thunderbird ESR=10.0.1
Mozilla Thunderbird ESR=10.0.2
Mozilla Thunderbird ESR=10.0.3
Mozilla Thunderbird ESR=10.0.4
Mozilla Thunderbird ESR=10.0.5
Mozilla SeaMonkey<=2.10
Mozilla SeaMonkey=1.0
Mozilla SeaMonkey=1.0-alpha
Mozilla SeaMonkey=1.0-beta
Mozilla SeaMonkey=1.0.1
Mozilla SeaMonkey=1.0.2
Mozilla SeaMonkey=1.0.3
Mozilla SeaMonkey=1.0.4
Mozilla SeaMonkey=1.0.5
Mozilla SeaMonkey=1.0.6
Mozilla SeaMonkey=1.0.7
Mozilla SeaMonkey=1.0.8
Mozilla SeaMonkey=1.0.9
Mozilla SeaMonkey=1.1
Mozilla SeaMonkey=1.1-alpha
Mozilla SeaMonkey=1.1-beta
Mozilla SeaMonkey=1.1.1
Mozilla SeaMonkey=1.1.2
Mozilla SeaMonkey=1.1.3
Mozilla SeaMonkey=1.1.4
Mozilla SeaMonkey=1.1.5
Mozilla SeaMonkey=1.1.6
Mozilla SeaMonkey=1.1.7
Mozilla SeaMonkey=1.1.8
Mozilla SeaMonkey=1.1.9
Mozilla SeaMonkey=1.1.10
Mozilla SeaMonkey=1.1.11
Mozilla SeaMonkey=1.1.12
Mozilla SeaMonkey=1.1.13
Mozilla SeaMonkey=1.1.14
Mozilla SeaMonkey=1.1.15
Mozilla SeaMonkey=1.1.16
Mozilla SeaMonkey=1.1.17
Mozilla SeaMonkey=1.1.18
Mozilla SeaMonkey=1.1.19
Mozilla SeaMonkey=1.5.0.8
Mozilla SeaMonkey=1.5.0.9
Mozilla SeaMonkey=1.5.0.10
Mozilla SeaMonkey=2.0
Mozilla SeaMonkey=2.0-alpha_1
Mozilla SeaMonkey=2.0-alpha_2
Mozilla SeaMonkey=2.0-alpha_3
Mozilla SeaMonkey=2.0-beta_1
Mozilla SeaMonkey=2.0-beta_2
Mozilla SeaMonkey=2.0-rc1
Mozilla SeaMonkey=2.0-rc2
Mozilla SeaMonkey=2.0.1
Mozilla SeaMonkey=2.0.2
Mozilla SeaMonkey=2.0.3
Mozilla SeaMonkey=2.0.4
Mozilla SeaMonkey=2.0.5
Mozilla SeaMonkey=2.0.6
Mozilla SeaMonkey=2.0.7
Mozilla SeaMonkey=2.0.8
Mozilla SeaMonkey=2.0.9
Mozilla SeaMonkey=2.0.10
Mozilla SeaMonkey=2.0.11
Mozilla SeaMonkey=2.0.12
Mozilla SeaMonkey=2.0.13
Mozilla SeaMonkey=2.0.14
Mozilla SeaMonkey=2.1
Mozilla SeaMonkey=2.1-alpha1
Mozilla SeaMonkey=2.1-alpha2
Mozilla SeaMonkey=2.1-alpha3
Mozilla SeaMonkey=2.1-beta1
Mozilla SeaMonkey=2.1-beta2
Mozilla SeaMonkey=2.1-beta3
Mozilla SeaMonkey=2.1-rc1
Mozilla SeaMonkey=2.1-rc2
Mozilla Firefox=10.0
Mozilla Firefox=10.0.1
Mozilla Firefox=10.0.2
Mozilla Firefox=10.0.3
Mozilla Firefox=10.0.4
Mozilla Firefox=10.0.5

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Reference Links

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.

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