How severe is CVE-2010-5068?

CVE-2010-5068 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-5068 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-5068?

CVE-2010-5068 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-5068?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-5068 published?

CVE-2010-5068 was published on 2011-12-07 and last updated on 2026-06-16.

CVE-2010-5068

CVE-2010-5068 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Opera Opera Browser
Published: 2011-12-07
Last modified: 2026-06-16

Description

The Cascading Style Sheets (CSS) implementation in Opera 10.5 does not properly handle the :visited pseudo-class, which allows remote attackers to obtain sensitive information about visited web pages via a crafted HTML document, a related issue to CVE-2010-2264.

Frequently asked questions

What is CVE-2010-5068?: The Cascading Style Sheets (CSS) implementation in Opera 10.5 does not properly handle the :visited pseudo-class, which allows remote attackers to obtain sensitive information about visited web pages via a crafted HTML document, a related issue to CVE-2010-2264.
How severe is CVE-2010-5068?: CVE-2010-5068 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-5068 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-5068?: CVE-2010-5068 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-5068?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-5068 published?: CVE-2010-5068 was published on 2011-12-07 and last updated on 2026-06-16.

References

http://w2spconf.com/2010/papers/p26.pdf

Affected products (1)

cpe:2.3:a:opera:opera_browser:10.50:*:*:*:*:*:*:*

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