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CVE-2012-1957

UnknownEPSS 2.09%

Last modified

CVE-2012-1957 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.09% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
2.09%

79.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox4.0
MozillaFirefox4.0.1
MozillaFirefox5.0
MozillaFirefox5.0.1
MozillaFirefox6.0
MozillaFirefox6.0.1
MozillaFirefox6.0.2
MozillaFirefox7.0
MozillaFirefox7.0.1
MozillaFirefox8.0
MozillaFirefox8.0.1
MozillaFirefox9.0
MozillaFirefox9.0.1
MozillaFirefox11.0
MozillaFirefox12.0
MozillaFirefox13.0
MozillaFirefox10.0
MozillaFirefox10.0.1
MozillaFirefox10.0.2
MozillaFirefox10.0.3
MozillaFirefox10.0.4
MozillaFirefox10.0.5
MozillaThunderbird5.0
MozillaThunderbird6.0
MozillaThunderbird6.0.1
MozillaThunderbird6.0.2
MozillaThunderbird7.0
MozillaThunderbird7.0.1
MozillaThunderbird8.0
MozillaThunderbird9.0
MozillaThunderbird9.0.1
MozillaThunderbird10.0
MozillaThunderbird10.0.1
MozillaThunderbird10.0.2
MozillaThunderbird10.0.3
MozillaThunderbird10.0.4
MozillaThunderbird11.0
MozillaThunderbird12.0
MozillaThunderbird13.0
MozillaThunderbird Esr10.0
MozillaThunderbird Esr10.0.1
MozillaThunderbird Esr10.0.2
MozillaThunderbird Esr10.0.3
MozillaThunderbird Esr10.0.4
MozillaThunderbird Esr10.0.5
MozillaSeamonkey<= 2.10
MozillaSeamonkey1.0
MozillaSeamonkey1.0.1
MozillaSeamonkey1.0.2
MozillaSeamonkey1.0.3

Showing 50 of 95 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2012-1957?
Severity scoring for CVE-2012-1957 is pending analysis. The EPSS model estimates a 2.09% probability of exploitation in the next 30 days.
How do I fix CVE-2012-1957?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-1957?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST