How severe is CVE-2008-4918?

CVE-2008-4918 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-4918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4918?

CVE-2008-4918 affects Sonicwall Sonicos Enhanced. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-4918?

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

When was CVE-2008-4918 published?

CVE-2008-4918 was published on 2008-11-04 and last updated on 2026-06-16.

CVE-2008-4918

CVE-2008-4918 is a medium-severity vulnerability in Sonicwall Sonicos Enhanced 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: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sonicwall Sonicos Enhanced
Published: 2008-11-04
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in SonicWALL SonicOS Enhanced before 4.0.1.1, as used in SonicWALL Pro 2040 and TZ 180 and 190, allows remote attackers to inject arbitrary web script or HTML into arbitrary web sites via a URL to a site that is blocked based on content filtering, which is not properly handled in the CFS block page, aka "universal website hijacking."

Frequently asked questions

What is CVE-2008-4918?: Cross-site scripting (XSS) vulnerability in SonicWALL SonicOS Enhanced before 4.0.1.1, as used in SonicWALL Pro 2040 and TZ 180 and 190, allows remote attackers to inject arbitrary web script or HTML into arbitrary web sites via a URL to a site that is blocked based on content filtering, which is not properly handled in the CFS block page, aka "universal website hijacking."
How severe is CVE-2008-4918?: CVE-2008-4918 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-4918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4918?: CVE-2008-4918 affects Sonicwall Sonicos Enhanced. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-4918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-4918 published?: CVE-2008-4918 was published on 2008-11-04 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:sonicwall:sonicos_enhanced:*:*:*:*:*:*:*:*

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