Is CVE-2007-0780 in the CISA KEV catalog?

No. CVE-2007-0780 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-0780?

CVE-2007-0780 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2007-0780?

CVE-2007-0780 has an EPSS score of 2.49% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-0780?

Upgrade DeveloperEdition to 1.5.0.10 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2007-0780

MEDIUMEPSS 83th pctl

6.8

CVSS v2

NVD

Description

browser.js in Mozilla Firefox 1.5.x before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 uses the requesting URI to identify child windows, which allows remote attackers to conduct cross-site scripting (XSS) attacks by opening a blocked popup originating from a javascript: URI in combination with multiple frames having the same data: URI.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:1.5 1.5.0.10Fixed in:1.5.0.10Mozilla

Affected:2.0 2.0.0.2Fixed in:2.0.0.2Mozilla

Mozilla Firefox (en-US)Windows application

Affected:1.5 1.5.0.10Fixed in:1.5.0.10Mozilla

Affected:2.0 2.0.0.2Fixed in:2.0.0.2Mozilla

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

2.49%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

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.