How severe is CVE-2010-0648?

CVE-2010-0648 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-0648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0648?

CVE-2010-0648 primarily affects Mozilla Firefox. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0648?

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

When was CVE-2010-0648 published?

CVE-2010-0648 was published on 2010-02-18 and last updated on 2026-06-16.

CVE-2010-0648

CVE-2010-0648 is a medium-severity vulnerability in Mozilla Firefox 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% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Mozilla Firefox
Published: 2010-02-18
Last modified: 2026-06-16

Description

Mozilla Firefox, possibly before 3.6, allows remote attackers to discover a redirect's target URL, for the session of a specific user of a web site, by placing the site's URL in the HREF attribute of a stylesheet LINK element, and then reading the document.styleSheets[0].href property value, related to an IFRAME element.

Frequently asked questions

What is CVE-2010-0648?: Mozilla Firefox, possibly before 3.6, allows remote attackers to discover a redirect's target URL, for the session of a specific user of a web site, by placing the site's URL in the HREF attribute of a stylesheet LINK element, and then reading the document.styleSheets[0].href property value, related to an IFRAME element.
How severe is CVE-2010-0648?: CVE-2010-0648 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-0648 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0648?: CVE-2010-0648 primarily affects Mozilla Firefox. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0648?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0648 published?: CVE-2010-0648 was published on 2010-02-18 and last updated on 2026-06-16.

References

Affected products (78)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0:preview_release:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0.8:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5:beta1:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5:beta2:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.8:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.9:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.10:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.11:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.0.12:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.5.8:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:2.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:2.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:2.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:2.0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:2.0.0.5:*:*:*:*:*:*:*

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