kbrain

CVE-2011-4682

MEDIUM · CVSS 6.4EPSS 2.0%EU EUVD

The JavaScript engine in Opera before 11.60 does not properly implement the in operator, which allows remote attackers to bypass the Same Origin Policy via vectors related to variables on different web sites.

Key facts

CVSS score
6.4 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness (CWE)
CWE-264
EPSS score
2.0% (81th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-4600)
Published
December 7, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4600 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser
  • opera / opera browser

and 73 more…

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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