CVE-2011-0683

CVE-2011-0683 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 11.01 does not properly restrict the use of opera: URLs, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

Frequently asked questions

What is CVE-2011-0683?
Opera before 11.01 does not properly restrict the use of opera: URLs, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.
How severe is CVE-2011-0683?
CVE-2011-0683 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-0683 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0683?
CVE-2011-0683 primarily affects Opera Opera Browser. In total, 113 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0683?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0683 published?
CVE-2011-0683 was published on 2011-01-31 and last updated on 2026-06-16.

References

Affected products (113)

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