How severe is CVE-2002-0243?

CVE-2002-0243 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2002-0243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0243?

CVE-2002-0243 affects Opera Software Opera Web Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-0243?

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-2002-0243 published?

CVE-2002-0243 was published on 2002-05-29 and last updated on 2026-06-16.

CVE-2002-0243

CVE-2002-0243 is a high-severity vulnerability in Opera Software Opera Web Browser 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.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Opera Software Opera Web Browser
Published: 2002-05-29
Last modified: 2026-06-16

Description

Cross-site scripting vulnerability in Opera 6.0 and earlier allows remote attackers to execute arbitrary script via an Extended HTML Form, whose output from the remote server is not properly cleansed.

Frequently asked questions

What is CVE-2002-0243?: Cross-site scripting vulnerability in Opera 6.0 and earlier allows remote attackers to execute arbitrary script via an Extended HTML Form, whose output from the remote server is not properly cleansed.
How severe is CVE-2002-0243?: CVE-2002-0243 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0243?: CVE-2002-0243 affects Opera Software Opera Web Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0243?: 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-2002-0243 published?: CVE-2002-0243 was published on 2002-05-29 and last updated on 2026-06-16.

References

http://marc.info/?l=bugtraq&m=101309907709138&w=2

Affected products (1)

cpe:2.3:a:opera_software:opera_web_browser:*:*:*:*:*:*:*:*

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