Is CVE-2008-4918 in the CISA KEV catalog?

No. CVE-2008-4918 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-4918?

CVE-2008-4918 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2008-4918?

CVE-2008-4918 has an EPSS score of 6.42% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-4918?

Upgrade sonicos enhanced to 4.0.1.1 or later.

CVE & CISA-KEV Catalog

CVE-2008-4918

MEDIUMEPSS 93th pctl

4.3

CVSS v2

NVD

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."

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

sonicos enhancedNVD

Affected:< 4.0.1.1Fixed in:4.0.1.1CVE-2008-4918derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

6.42%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Third-Party Advisory12

Other references3

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.