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4.3

Firefox, Thunderbird, SeaMonkey may expose page location data

CVE-2012-4192 · published 14 years ago
Summary

A specially crafted website can trick Firefox 16.0, Thunderbird 16.0, and SeaMonkey 2.13 into revealing the URL details of the page you are visiting, bypassing the normal web‑page isolation rules. This could allow an attacker to learn which sites you are visiting or gather other sensitive information. Upgrade each application to the latest version that includes the security fix, or apply any available patches as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
mozilla firefox 16.0
cpe:2.3:a:mozilla:firefox:16.0:*:*:*:*:*:*:*
mozilla seamonkey 2.13
cpe:2.3:a:mozilla:seamonkey:2.13:*:*:*:*:*:*:*
mozilla thunderbird 16.0
cpe:2.3:a:mozilla:thunderbird:16.0:*:*:*:*:*:*:*
Original advisory text
Mozilla Firefox 16.0, Thunderbird 16.0, and SeaMonkey 2.13 allow remote attackers to bypass the Same Origin Policy and read the properties of a Location object via a crafted web site, a related iss...
Mozilla Firefox 16.0, Thunderbird 16.0, and SeaMonkey 2.13 allow remote attackers to bypass the Same Origin Policy and read the properties of a Location object via a crafted web site, a related issue to CVE-2012-4193.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
4.3 Medium
Exploitation
1% chance of attack within 30 days
Type
CWE-264Permissions, Privileges, and Access Controls
Timeline
Published12 Oct 2012
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2012-4192 · NVD
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