Is CVE-2012-4208 being actively exploited?

CVE-2012-4208 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-4208?

CVE-2012-4208 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2012-4208

MEDIUM · CVSS 4.3EPSS 2.1%EU EUVD

The XrayWrapper implementation in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 does not consider the compartment during property filtering, which allows remote attackers to bypass intended chrome-only restrictions on reading DOM object properties via a crafted web site.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 2.1% (82th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-4152)
Published: November 21, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-4152 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
mozilla / firefox
mozilla / seamonkey
mozilla / thunderbird
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise server
suse / linux enterprise server
suse / linux enterprise server
suse / linux enterprise software development kit
suse / linux enterprise software development kit

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server 11 Service Pack 2 on IBM System z - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0852-2013 - archived
SUSE Linux Enterprise Server 11 Service Pack 2 including KVM virtualization - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0787-2013 - archived

References

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html(Mailing List, Third Party Advisory)
http://secunia.com/advisories/51369(Third Party Advisory)
http://secunia.com/advisories/51370(Third Party Advisory)
http://secunia.com/advisories/51381(Third Party Advisory)
http://secunia.com/advisories/51434(Third Party Advisory)
http://secunia.com/advisories/51439(Third Party Advisory)
http://secunia.com/advisories/51440(Third Party Advisory)
http://www.mozilla.org/security/announce/2012/mfsa2012-99.html(Vendor Advisory)
http://www.securityfocus.com/bid/56627(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-1636-1(Third Party Advisory)
http://www.ubuntu.com/usn/USN-1638-1(Third Party Advisory)
http://www.ubuntu.com/usn/USN-1638-2(Third Party Advisory)
http://www.ubuntu.com/usn/USN-1638-3(Third Party Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=798264(Issue Tracking, Patch, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16695(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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