CVE-2010-2660

CVE-2010-2660 is a medium-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

Opera before 10.54 on Windows and Mac OS X, and before 10.60 on UNIX platforms, does not properly restrict certain uses of homograph characters in domain names, which makes it easier for remote attackers to spoof IDN domains via unspecified choices of characters.

Frequently asked questions

What is CVE-2010-2660?
Opera before 10.54 on Windows and Mac OS X, and before 10.60 on UNIX platforms, does not properly restrict certain uses of homograph characters in domain names, which makes it easier for remote attackers to spoof IDN domains via unspecified choices of characters.
How severe is CVE-2010-2660?
CVE-2010-2660 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-2660 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2660?
CVE-2010-2660 primarily affects Opera Opera Browser. In total, 109 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2660?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-2660 published?
CVE-2010-2660 was published on 2010-07-08 and last updated on 2026-06-16.

References

Affected products (109)

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