VulnerabilityModified
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…
MEDIUM 4.3EPSS 1.16%
Does this matter?
Lower severity and a low EPSS score (1.16%). 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, 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 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.16% probability · 65th 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/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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.