Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, ignores some characters in HTML documents in unspecified circumstances, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.
Published 2012-08-06 16:55:07
Updated 2012-08-07 04:00:00
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Exploit prediction scoring system (EPSS) score for CVE-2012-4142

Probability of exploitation activity in the next 30 days: 0.23%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 60 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2012-4142

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
NIST

CWE ids for CVE-2012-4142

References for CVE-2012-4142

Products affected by CVE-2012-4142

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