Vulnerability record · CVE-2012-3993 · published 10 October 2012

CVE-2012-3993: Mozilla firefox improper privilege management vulnerability

Mozilla · Firefox

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 does not properly interact with failures of InstallTrigger methods, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site, related to an "XrayWrapper pollution" issue.

9.3 CVSS 2.0 High EPSS 43% · top 1.3% CWE-269 · Improper privilege management

9.3CVSS 2.0 base score

43%EPSS exploitation probability, 30 days

NoNot in CISA KEV

4Affected product versions listed by NVD

34References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Firefox Mozilla

Seamonkey Mozilla

Thunderbird Mozilla

Thunderbird Esr Mozilla

References

Link	Tags
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html	Mailing ListThird Party Advisory
http://osvdb.org/86111	Broken Link
http://rhn.redhat.com/errata/RHSA-2012-1351.html	Third Party Advisory
http://secunia.com/advisories/50856	Third Party Advisory
http://secunia.com/advisories/50892	Third Party Advisory
http://secunia.com/advisories/50904	Third Party Advisory
http://secunia.com/advisories/50935	Third Party Advisory
http://secunia.com/advisories/50936	Third Party Advisory
http://secunia.com/advisories/50984	Third Party Advisory
http://secunia.com/advisories/55318	Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:163	Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-83.html	Vendor Advisory
http://www.securityfocus.com/bid/56119	Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1611-1	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=768101	Issue TrackingVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/79153	Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16718	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html	Mailing ListThird Party Advisory
http://osvdb.org/86111	Broken Link
http://rhn.redhat.com/errata/RHSA-2012-1351.html	Third Party Advisory
http://secunia.com/advisories/50856	Third Party Advisory
http://secunia.com/advisories/50892	Third Party Advisory
http://secunia.com/advisories/50904	Third Party Advisory
http://secunia.com/advisories/50935	Third Party Advisory
http://secunia.com/advisories/50936	Third Party Advisory
http://secunia.com/advisories/50984	Third Party Advisory
http://secunia.com/advisories/55318	Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:163	Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-83.html	Vendor Advisory
http://www.securityfocus.com/bid/56119	Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1611-1	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=768101	Issue TrackingVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/79153	Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16718	Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-3993), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.