How severe is CVE-2008-3198?

CVE-2008-3198 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-3198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3198?

CVE-2008-3198 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-3198?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-3198 published?

CVE-2008-3198 was published on 2008-07-17 and last updated on 2026-06-16.

CVE-2008-3198

CVE-2008-3198 is a high-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 7.5. 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-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Mozilla Firefox
Published: 2008-07-17
Last modified: 2026-06-16

Description

Mozilla Firefox 3.x before 3.0.1 allows remote attackers to inject arbitrary web script into a chrome document via unspecified vectors, as demonstrated by injection into a XUL error page. NOTE: this can be leveraged to execute arbitrary code using CVE-2008-2933.

Frequently asked questions

What is CVE-2008-3198?: Mozilla Firefox 3.x before 3.0.1 allows remote attackers to inject arbitrary web script into a chrome document via unspecified vectors, as demonstrated by injection into a XUL error page. NOTE: this can be leveraged to execute arbitrary code using CVE-2008-2933.
How severe is CVE-2008-3198?: CVE-2008-3198 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-3198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3198?: CVE-2008-3198 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-3198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-3198 published?: CVE-2008-3198 was published on 2008-07-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*

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