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.
Published 2012-11-21 12:55:02
Updated 2025-04-11 00:51:22
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2012-4210

Exploit prediction scoring system (EPSS) score for CVE-2012-4210

2.78%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2012-4210

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.3
HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
NIST

CWE ids for CVE-2012-4210

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-4210

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