How severe is CVE-2010-0653?

CVE-2010-0653 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-0653 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0653?

CVE-2010-0653 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-0653?

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

When was CVE-2010-0653 published?

CVE-2010-0653 was published on 2010-02-18 and last updated on 2026-06-16.

CVE-2010-0653

CVE-2010-0653 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: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Opera Opera Browser
Published: 2010-02-18
Last modified: 2026-06-16

Description

Opera before 10.10 permits cross-origin loading of CSS stylesheets even when the stylesheet download has an incorrect MIME type and the stylesheet document is malformed, which allows remote attackers to obtain sensitive information via a crafted document.

Frequently asked questions

What is CVE-2010-0653?: Opera before 10.10 permits cross-origin loading of CSS stylesheets even when the stylesheet download has an incorrect MIME type and the stylesheet document is malformed, which allows remote attackers to obtain sensitive information via a crafted document.
How severe is CVE-2010-0653?: CVE-2010-0653 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-0653 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0653?: CVE-2010-0653 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-0653?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0653 published?: CVE-2010-0653 was published on 2010-02-18 and last updated on 2026-06-16.

References

Affected products (1)

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

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