What’s Vulnerable › Vulnerabilities

CVE-2012-5354

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-10-10 · updated 2026-06-16

Description

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly handle navigation away from a web page that has multiple menus of SELECT elements active, which allows remote attackers to conduct clickjacking attacks via vectors involving an XPI file, the window.open method, and the Geolocation API, a different vulnerability than CVE-2012-3984.

Affected products

• Mozilla Firefox: before 16.0 — fixed in 16.0
• Mozilla Seamonkey: before 2.13 — fixed in 2.13
• Mozilla Thunderbird: before 16.0 — fixed in 16.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 16.0; Mozilla Seamonkey 2.13; Mozilla Thunderbird 16.0. Check the vendor advisory for mitigations.

References

• http://osvdb.org/86171
• http://secunia.com/advisories/50856
• http://secunia.com/advisories/50935
• http://www.mozilla.org/security/announce/2012/mfsa2012-75.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=726264
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16972
• http://osvdb.org/86171
• http://secunia.com/advisories/50856
• http://secunia.com/advisories/50935
• http://www.mozilla.org/security/announce/2012/mfsa2012-75.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=726264
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16972

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