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Vulnerability record · CVE-2013-1670 · published 16 May 2013

CVE-2013-1670: Mozilla firefox cross-site scripting vulnerability

Mozilla · Firefox

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 does not prevent acquisition of chrome privileges during calls to content level constructors, which allows remote attackers to bypass certain read-only restrictions and conduct cross-site scripting (XSS) attacks via a crafted web site.

4.3 CVSS 2.0 Medium EPSS 11% · top 4.3% CWE-79 · Cross-site scriptingCWE-264 · Permissions and access controls
4.3CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
34References
16 Jun 2026Last modified by NVD

Description

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 does not prevent acquisition of chrome privileges during calls to content level constructors, which allows remote attackers to bypass certain read-only restrictions and conduct cross-site scripting (XSS) attacks via a crafted web site.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html
http://rhn.redhat.com/errata/RHSA-2013-0820.html
http://rhn.redhat.com/errata/RHSA-2013-0821.html
http://www.debian.org/security/2013/dsa-2699
http://www.exploit-db.com/exploits/34363
http://www.mandriva.com/security/advisories?name=MDVSA-2013:165
http://www.mozilla.org/security/announce/2013/mfsa2013-42.html Vendor Advisory
http://www.osvdb.org/93427
http://www.securityfocus.com/bid/59865
http://www.ubuntu.com/usn/USN-1822-1
http://www.ubuntu.com/usn/USN-1823-1
https://bugzilla.mozilla.org/show_bug.cgi?id=853709
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17046
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html
http://rhn.redhat.com/errata/RHSA-2013-0820.html
http://rhn.redhat.com/errata/RHSA-2013-0821.html
http://www.debian.org/security/2013/dsa-2699
http://www.exploit-db.com/exploits/34363
http://www.mandriva.com/security/advisories?name=MDVSA-2013:165
http://www.mozilla.org/security/announce/2013/mfsa2013-42.html Vendor Advisory
http://www.osvdb.org/93427
http://www.securityfocus.com/bid/59865
http://www.ubuntu.com/usn/USN-1822-1
http://www.ubuntu.com/usn/USN-1823-1
https://bugzilla.mozilla.org/show_bug.cgi?id=853709
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17046

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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-2013-1670), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.