VIR Vulnerability Intelligence Relay

CVE-2012-0458

medium
Published 2012-03-14 · Modified 2026-04-29
CVSS v3
—
CVSS v2
6.8
VIR risk
6.8

Description

Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 do not properly restrict setting the home page through the dragging of a URL to the home button, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a javascript: URL that is later interpreted in the about:sessionrestore context.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://bugzilla.mozilla.org/show_bug.cgi?id=723808

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://bugzilla.mozilla.org/show_bug.cgi?id=719994

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://bugzilla.mozilla.org/show_bug.cgi?id=718203

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.mozilla.org/security/announce/2012/mfsa2012-16.html

Application impact
VendorProductVersionsFixed
mozillafirefox{"endIncluding":"3.6.27"}
mozillafirefox10.0
mozillafirefox10.0.1
mozillafirefox10.0.2
mozillathunderbird{"startIncluding":"1.0","endIncluding":"3.1.19"}
mozillathunderbird_esr10.0
mozillathunderbird_esr10.0.1
mozillathunderbird_esr10.0.2
mozillaseamonkey-
mozillaseamonkey1.0
mozillaseamonkey1.0.1
mozillaseamonkey1.0.2
mozillaseamonkey1.0.3
mozillaseamonkey1.0.4
mozillaseamonkey1.0.5
mozillaseamonkey1.0.6
mozillaseamonkey1.0.7
mozillaseamonkey1.0.8
mozillaseamonkey1.0.9
mozillaseamonkey1.1
mozillaseamonkey1.1.1
mozillaseamonkey1.1.2
mozillaseamonkey1.1.3
mozillaseamonkey1.1.4
mozillaseamonkey1.1.5
mozillaseamonkey1.1.6
mozillaseamonkey1.1.7
mozillaseamonkey1.1.8
mozillaseamonkey1.1.9
mozillaseamonkey1.1.10
mozillaseamonkey1.1.11
mozillaseamonkey1.1.12
mozillaseamonkey1.1.13
mozillaseamonkey1.1.14
mozillaseamonkey1.1.15
mozillaseamonkey1.1.16
mozillaseamonkey1.1.17
mozillaseamonkey1.1.18
mozillaseamonkey1.1.19
mozillaseamonkey1.5.0.8
mozillaseamonkey1.5.0.9
mozillaseamonkey1.5.0.10
mozillaseamonkey2.0
mozillaseamonkey2.0.1
mozillaseamonkey2.0.2
mozillaseamonkey2.0.3
mozillaseamonkey2.0.4
mozillaseamonkey2.0.5
mozillaseamonkey2.0.6
mozillaseamonkey2.0.7
mozillaseamonkey2.0.8
mozillaseamonkey2.0.9
mozillaseamonkey2.0.10
mozillaseamonkey2.0.11
mozillaseamonkey2.0.12
mozillaseamonkey2.0.13
mozillaseamonkey2.0.14
mozillaseamonkey2.1
mozillaseamonkey2.2
mozillaseamonkey2.3
mozillaseamonkey2.3.1
mozillaseamonkey2.3.2
mozillaseamonkey2.3.3
mozillaseamonkey2.4
mozillaseamonkey2.4.1
mozillaseamonkey2.5
mozillaseamonkey2.6
mozillaseamonkey2.6.1
mozillaseamonkey2.7
mozillaseamonkey2.7.1
mozillaseamonkey2.7.2

References

CWEs

CWE-264

Verify integrity in audit chain (admin only). AS-IS.