Vulnerability Monitor

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CVE-2012-4142

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

2012-08-06T16:55:06.977

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-79
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application opera opera_browser ≤ 12.00 Yes
Application opera opera_browser 12.00 Yes
Operating System linux linux_kernel * No
Operating System microsoft windows * No
Application opera opera_browser ≤ 11.65 Yes
Application opera opera_browser 10.00 Yes
Application opera opera_browser 10.00 Yes
Application opera opera_browser 10.00 Yes
Application opera opera_browser 10.00 Yes
Application opera opera_browser 10.01 Yes
Application opera opera_browser 10.10 Yes
Application opera opera_browser 10.10 Yes
Application opera opera_browser 10.11 Yes
Application opera opera_browser 10.50 Yes
Application opera opera_browser 10.50 Yes
Application opera opera_browser 10.50 Yes
Application opera opera_browser 10.51 Yes
Application opera opera_browser 10.52 Yes
Application opera opera_browser 10.52 Yes
Application opera opera_browser 10.52 Yes
Application opera opera_browser 10.53 Yes
Application opera opera_browser 10.53 Yes
Application opera opera_browser 10.53 Yes
Application opera opera_browser 10.54 Yes
Application opera opera_browser 10.60 Yes
Application opera opera_browser 10.60 Yes
Application opera opera_browser 10.61 Yes
Application opera opera_browser 10.62 Yes
Application opera opera_browser 10.63 Yes
Application opera opera_browser 11.00 Yes
Application opera opera_browser 11.00 Yes
Application opera opera_browser 11.01 Yes
Application opera opera_browser 11.10 Yes
Application opera opera_browser 11.10 Yes
Application opera opera_browser 11.11 Yes
Application opera opera_browser 11.50 Yes
Application opera opera_browser 11.50 Yes
Application opera opera_browser 11.51 Yes
Application opera opera_browser 11.52 Yes
Application opera opera_browser 11.52.1100 Yes
Application opera opera_browser 11.60 Yes
Application opera opera_browser 11.60 Yes
Application opera opera_browser 11.61 Yes
Application opera opera_browser 11.62 Yes
Application opera opera_browser 11.64 Yes
Application opera opera_browser 12.00 Yes
Application opera opera_browser 12.00 Yes
Operating System apple mac_os_x * No
References