VulnerabilityModified
CVE-2012-4144
Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, does not properly escape characters in DOM elements, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a…
MEDIUM 4.3EPSS 1.20%
Does this matter?
Lower severity and a low EPSS score (1.20%). Track it; it rarely justifies an emergency change on its own.
Description
Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, does not properly escape characters in DOM elements, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted HTML document.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.20% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- opera/opera browser
- Source
- cve@mitre.org
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/1025/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/1025/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.