CVE-2013-1699

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-06-26 · updated 2026-06-16
Weakness: CWE-310

Description

The Internationalized Domain Name (IDN) display algorithm in Mozilla Firefox before 22.0 does not properly handle the .com, .name, and .net top-level domains, which allows remote attackers to spoof the address bar via unspecified homograph characters.

Affected products

Mozilla Firefox: through 21.0; 19.0, 19.0.1, 19.0.2, 20.0, 20.0.1

References

http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00005.html
http://www.mozilla.org/security/announce/2013/mfsa2013-61.html
http://www.ubuntu.com/usn/USN-1890-1
https://bugzilla.mozilla.org/show_bug.cgi?id=840882
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17296
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00005.html
http://www.mozilla.org/security/announce/2013/mfsa2013-61.html
http://www.ubuntu.com/usn/USN-1890-1
https://bugzilla.mozilla.org/show_bug.cgi?id=840882
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17296

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