Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opera | Opera Browser | <= 12.00 |
| Linux | Linux Kernel | All versions |
| Microsoft | Windows | All versions |
| Apple | Mac Os X | All versions |
Related Weaknesses (CWE)
References
- http://www.opera.com/docs/changelogs/mac/1166/
- http://www.opera.com/docs/changelogs/mac/1201/
- http://www.opera.com/docs/changelogs/unix/1201/
- http://www.opera.com/docs/changelogs/windows/1201/
- http://www.opera.com/support/kb/view/1026/Vendor Advisory
- http://www.opera.com/docs/changelogs/mac/1166/
- http://www.opera.com/docs/changelogs/mac/1201/
- http://www.opera.com/docs/changelogs/unix/1201/
- http://www.opera.com/docs/changelogs/windows/1201/
- http://www.opera.com/support/kb/view/1026/Vendor Advisory
FAQ
What is CVE-2012-4142?
CVE-2012-4142 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 att...
How severe is CVE-2012-4142?
CVE-2012-4142 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4142?
Check the references section above for vendor advisories and patch information. Affected products include: Opera Opera Browser, Linux Linux Kernel, Microsoft Windows, Apple Mac Os X.