CVE-2009-4071

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-11-24 · updated 2026-06-16
Weakness: CWE-16

Description

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.

Affected products

Opera Browser: through 10.10; 7.0, 7.23, 7.53, 7.54, 7.60, 8.0 (+22)

References

http://osvdb.org/60527
http://secunia.com/advisories/37469
http://www.opera.com/docs/changelogs/mac/1010/
http://www.opera.com/docs/changelogs/unix/1010/
http://www.opera.com/docs/changelogs/windows/1010/
http://www.opera.com/support/kb/view/941/
http://www.securityfocus.com/bid/37089
http://www.vupen.com/english/advisories/2009/3297
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6385
http://osvdb.org/60527
http://secunia.com/advisories/37469
http://www.opera.com/docs/changelogs/mac/1010/

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