Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2012-4142

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
06/08/2012
Last modified:
11/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* 12.00 (including)
cpe:2.3:a:opera:opera_browser:12.00:beta:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* 11.65 (including)
cpe:2.3:a:opera:opera_browser:10.00:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.00:beta1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.00:beta2:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.00:beta3:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.10:beta1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.11:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.50:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:10.50:beta1:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools