CVE-2010-2666
Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for...
Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.
Exploit likelihood
What each source reports
NVD Score used
Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.
- Record
CVE-2010-2666- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.
- Record
CVE-2010-2666- Updated
- 2026-11-02
EUVDEUVD-2010-2670 No score
Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.
- Record
EUVD-2010-2670- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqf6-gm3j-5p78 No score
Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for...
Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.
- Record
GHSA-wqf6-gm3j-5p78- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-2666 is a high vulnerability (CVSS 9.3) in Opera Browser, published July 7, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.04%, the 92nd percentile. No source names a fixed version.
References
opera.com/support/kb/view/962
securityfocus.com/bid/40973
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11950
vupen.com/english/advisories/2010/1529
secunia.com/advisories/40250
nvd.nist.gov/vuln/detail/CVE-2010-2666
github.com/advisories/GHSA-wqf6-gm3j-5p78