CVE-2013-3210

CVE-2013-3210 is a medium-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Description

Opera before 12.15 does not properly block top-level domains in Set-Cookie headers, which allows remote attackers to obtain sensitive information by leveraging control of a different web site in the same top-level domain.

Frequently asked questions

What is CVE-2013-3210?
Opera before 12.15 does not properly block top-level domains in Set-Cookie headers, which allows remote attackers to obtain sensitive information by leveraging control of a different web site in the same top-level domain.
How severe is CVE-2013-3210?
CVE-2013-3210 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-3210 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-3210?
CVE-2013-3210 primarily affects Opera Opera Browser. In total, 176 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-3210?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-3210 published?
CVE-2013-3210 was published on 2013-04-19 and last updated on 2026-06-16.

References

Affected products (176)

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