How severe is CVE-2003-1149?

CVE-2003-1149 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2003-1149 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1149?

CVE-2003-1149 affects Symantec Norton Internet Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1149?

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

When was CVE-2003-1149 published?

CVE-2003-1149 was published on 2003-10-27 and last updated on 2026-06-16.

CVE-2003-1149

CVE-2003-1149 is a medium-severity vulnerability in Symantec Norton Internet Security 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.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Norton Internet Security
Published: 2003-10-27
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Symantec Norton Internet Security 2003 6.0.4.34 allows remote attackers to inject arbitrary web script or HTML via a URL to a blocked site, which is displayed on the blocked sites error page.

Frequently asked questions

What is CVE-2003-1149?: Cross-site scripting (XSS) vulnerability in Symantec Norton Internet Security 2003 6.0.4.34 allows remote attackers to inject arbitrary web script or HTML via a URL to a blocked site, which is displayed on the blocked sites error page.
How severe is CVE-2003-1149?: CVE-2003-1149 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2003-1149 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1149?: CVE-2003-1149 affects Symantec Norton Internet Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1149?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1149 published?: CVE-2003-1149 was published on 2003-10-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symantec:norton_internet_security:2003_6.0.4.34:*:*:*:*:*:*:*

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