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CVE-2009-4071

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from...

5.8 Medium

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.

Exploit likelihood

2.23%Up 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.8

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.

Record
CVE-2009-4071
CVSS 2.0
5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness
CWE-16
Updated
2026-11-02
CVE List No score

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.

Record
CVE-2009-4071
Updated
2026-11-02
EUVDEUVD-2009-4042 No score

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.

Record
EUVD-2009-4042
Updated
2026-11-03
GitHub AdvisoriesGHSA-f383-hh72-jgh8 No score

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from...

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.

Record
GHSA-f383-hh72-jgh8
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-4071 is a medium vulnerability (CVSS 5.8) in Opera Browser, published November 24, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.23%, the 82nd percentile. No source names a fixed version.

References

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