What’s Vulnerable › Vulnerabilities

CVE-2013-5593

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-10-30 · updated 2026-06-16
• Weakness: CWE-20

Description

The SELECT element implementation in Mozilla Firefox before 25.0, Firefox ESR 24.x before 24.1, Thunderbird before 24.1, and SeaMonkey before 2.22 does not properly restrict the nature or placement of HTML within a dropdown menu, which allows remote attackers to spoof the address bar or conduct clickjacking attacks via vectors that trigger navigation off of a page containing this element.

Affected products

• Mozilla Firefox: through 24.0; 24.0, 24.0.1, 24.0.2, 19.0, 19.0.1, 19.0.2 (+6)
• Mozilla Seamonkey: through 2.22; 2.0, 2.0-alpha_1, 2.0-alpha_2, 2.0-alpha_3, 2.0-beta_1, 2.0-beta_2 (+97)
• Mozilla Thunderbird: through 24.0.1; 17.0, 17.0.1, 17.0.2, 17.0.3, 17.0.4, 17.0.5 (+4)
• Mozilla Thunderbird ESR: 17.0.9

References

• http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00006.html
• http://www.mozilla.org/security/announce/2013/mfsa2013-94.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=868327
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19263
• https://security.gentoo.org/glsa/201504-01
• http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00006.html
• http://www.mozilla.org/security/announce/2013/mfsa2013-94.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=868327
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19263
• https://security.gentoo.org/glsa/201504-01

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