Is CVE-2005-4718 in the CISA KEV catalog?

No. CVE-2005-4718 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-4718?

CVE-2005-4718 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2005-4718?

CVE-2005-4718 has an EPSS score of 10.24% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2005-4718

MEDIUMEPSS 95th pctl

5.0

CVSS v2

NVD

Description

Opera 8.02 and earlier allows remote attackers to cause a denial of service (client crash) via (1) a crafted HTML file with a "content: url(0);" style attribute, a "bodyA" tag, a long string, and a "u" tag with a long attribute, as demonstrated by opera.html; and (2) a BGSOUND element with a "margin:-99;" STYLE attribute.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

10.24%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

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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 2026-04-16.