Is CVE-2007-0801 in the CISA KEV catalog?

No. CVE-2007-0801 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-0801?

CVE-2007-0801 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2007-0801?

CVE-2007-0801 has an EPSS score of 1.80% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-0801?

Upgrade firefox on debian unstable to 45.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2007-0801

MEDIUMEPSS 76th pctl

4.3

CVSS v2

NVD

Description

The nsExternalAppHandler::SetUpTempFile function in Mozilla Firefox 1.5.0.9 creates temporary files with predictable filenames based on creation time, which allows remote attackers to execute arbitrary web script or HTML via a crafted XMLHttpRequest.

How to fix

Remediation Available

firefoxDebian

Fixed in:45.0-1CVE-2007-0801

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

1.80%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Exploit1

securityfocus.com

Other references7

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Markdown

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HTML

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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.