CVE-2003-0446

CVE-2003-0446 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Cross-site scripting (XSS) in Internet Explorer 5.5 and 6.0, possibly in a component that is also used by other Microsoft products, allows remote attackers to insert arbitrary web script via an XML file that contains a parse error, which inserts the script in the resulting error message.

Frequently asked questions

What is CVE-2003-0446?
Cross-site scripting (XSS) in Internet Explorer 5.5 and 6.0, possibly in a component that is also used by other Microsoft products, allows remote attackers to insert arbitrary web script via an XML file that contains a parse error, which inserts the script in the resulting error message.
How severe is CVE-2003-0446?
CVE-2003-0446 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2003-0446 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0446?
CVE-2003-0446 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0446?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0446 published?
CVE-2003-0446 was published on 2003-07-24 and last updated on 2026-06-16.

References

Affected products (2)

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