CVE-2012-0458
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-264
- EPSS score
- 2.7% (86th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-0490)
- Published
- March 14, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-0490 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
and 62 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00015.html
- http://lists.opensuse.org/opensuse-updates/2012-03/msg00042.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2012-0387.html
- http://rhn.redhat.com/errata/RHSA-2012-0388.html
- http://secunia.com/advisories/48359
- http://secunia.com/advisories/48402
- http://secunia.com/advisories/48414
- http://secunia.com/advisories/48495(Third Party Advisory)
- http://secunia.com/advisories/48496(Third Party Advisory)
- http://secunia.com/advisories/48513(Third Party Advisory)
- http://secunia.com/advisories/48553(Third Party Advisory)
- http://secunia.com/advisories/48561(Third Party Advisory)
- http://secunia.com/advisories/48624(Third Party Advisory)
- http://secunia.com/advisories/48629(Third Party Advisory)
- http://secunia.com/advisories/48823(Third Party Advisory)
- http://secunia.com/advisories/48920(Third Party Advisory)
- http://www.debian.org/security/2012/dsa-2433(Third Party Advisory)
- http://www.debian.org/security/2012/dsa-2458
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:031
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:032
- http://www.mozilla.org/security/announce/2012/mfsa2012-16.html(Vendor Advisory)
- http://www.securityfocus.com/bid/52460
- http://www.securitytracker.com/id?1026801
- http://www.securitytracker.com/id?1026803
- http://www.securitytracker.com/id?1026804
- http://www.ubuntu.com/usn/USN-1400-1
- http://www.ubuntu.com/usn/USN-1400-2(Third Party Advisory)
- http://www.ubuntu.com/usn/USN-1400-3(Third Party Advisory)
- http://www.ubuntu.com/usn/USN-1400-4(Third Party Advisory)
- http://www.ubuntu.com/usn/USN-1400-5(Third Party Advisory)
- http://www.ubuntu.com/usn/USN-1401-1(Third Party Advisory)
- https://bugzilla.mozilla.org/show_bug.cgi?id=718203(Exploit, Issue Tracking, Vendor Advisory)
- https://bugzilla.mozilla.org/show_bug.cgi?id=719994(Issue Tracking, Vendor Advisory)
- https://bugzilla.mozilla.org/show_bug.cgi?id=723808(Issue Tracking, Patch, Vendor Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15122(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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