How severe is CVE-2003-1420?

CVE-2003-1420 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2003-1420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1420?

CVE-2003-1420 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1420?

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

When was CVE-2003-1420 published?

CVE-2003-1420 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-1420

CVE-2003-1420 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opera Opera Browser
Published: 2003-12-31
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Opera 6.0 through 7.0 with automatic redirection disabled allows remote attackers to inject arbitrary web script or HTML via the HTTP Location header.

Frequently asked questions

What is CVE-2003-1420?: Cross-site scripting (XSS) vulnerability in Opera 6.0 through 7.0 with automatic redirection disabled allows remote attackers to inject arbitrary web script or HTML via the HTTP Location header.
How severe is CVE-2003-1420?: CVE-2003-1420 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2003-1420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1420?: CVE-2003-1420 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1420 published?: CVE-2003-1420 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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

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