SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

MEDIUM 4.3EPSS 2.08%

Does this matter?

Lower severity and a low EPSS score (2.08%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
2.08% probability · 80th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
mozilla/firefox · mozilla/thunderbird · mozilla/thunderbird esr · mozilla/seamonkey
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.