How severe is CVE-2008-4725?

CVE-2008-4725 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-4725 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4725?

CVE-2008-4725 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-4725?

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

When was CVE-2008-4725 published?

CVE-2008-4725 was published on 2008-10-23 and last updated on 2026-06-16.

CVE-2008-4725

CVE-2008-4725 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: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opera Opera Browser
Published: 2008-10-23
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Opera.dll in Opera 9.52 allows remote attackers to inject arbitrary web script or HTML via the query string, which is not properly escaped before storage in the History Search database (aka md.dat), a different vector than CVE-2008-4696. NOTE: some of these issues were addressed before 9.60.

Frequently asked questions

What is CVE-2008-4725?: Cross-site scripting (XSS) vulnerability in Opera.dll in Opera 9.52 allows remote attackers to inject arbitrary web script or HTML via the query string, which is not properly escaped before storage in the History Search database (aka md.dat), a different vector than CVE-2008-4696. NOTE: some of these issues were addressed before 9.60.
How severe is CVE-2008-4725?: CVE-2008-4725 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-4725 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4725?: CVE-2008-4725 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-4725?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-4725 published?: CVE-2008-4725 was published on 2008-10-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opera:opera_browser:9.52:*:*:*:*:*:*:*

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