CVE-2012-4210
HIGH · CVSS 9.3EPSS 3.5%EU EUVD
The Style Inspector in Mozilla Firefox before 17.0 and Firefox ESR 10.x before 10.0.11 does not properly restrict the context of HTML markup and Cascading Style Sheets (CSS) token sequences, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted stylesheet.
Key facts
- CVSS score
- 9.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-264
- EPSS score
- 3.5% (89th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-4154)
- Published
- November 21, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-4154 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 / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
and 129 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
- http://rhn.redhat.com/errata/RHSA-2012-1482.html
- http://secunia.com/advisories/51359
- http://secunia.com/advisories/51369
- http://secunia.com/advisories/51434
- http://secunia.com/advisories/51439
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:173
- http://www.mozilla.org/security/announce/2012/mfsa2012-104.html(Vendor Advisory)
- http://www.palemoon.org/releasenotes-ng.shtml
- http://www.securityfocus.com/bid/56646
- http://www.ubuntu.com/usn/USN-1638-1
- http://www.ubuntu.com/usn/USN-1638-2
- http://www.ubuntu.com/usn/USN-1638-3
- https://bugzilla.mozilla.org/show_bug.cgi?id=796866
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80182
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16833
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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