CVE-2010-2657

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-07-08 · updated 2026-06-16
Weakness: CWE-264

Description

Opera before 10.60 on Windows and Mac OS X does not properly prevent certain double-click operations from running a program located on a web site, which allows user-assisted remote attackers to execute arbitrary code via a crafted web page that bypasses a dialog.

Affected products

Opera Browser: before 10.60 — fixed in 10.60

How to fix

Upgrade to a fixed version: Opera Browser 10.60. Check the vendor advisory for mitigations.

References

http://secunia.com/advisories/40375
http://www.opera.com/docs/changelogs/mac/1060/
http://www.opera.com/docs/changelogs/windows/1060/
http://www.opera.com/support/search/view/957/
http://www.vupen.com/english/advisories/2010/1664
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11856
http://secunia.com/advisories/40375
http://www.opera.com/docs/changelogs/mac/1060/
http://www.opera.com/docs/changelogs/windows/1060/
http://www.opera.com/support/search/view/957/
http://www.vupen.com/english/advisories/2010/1664
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11856

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