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Vulnerability record · CVE-2007-4039 · published 27 July 2007

CVE-2007-4039: Mozilla cross-site scripting vulnerability

Mozilla · Mozilla

Argument injection vulnerability involving Mozilla, when certain URIs are registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in an unspecified URI, which are inserted into the command line when invoking the handling process, a similar issue to CVE-2007-3670.

9.8 CVSS 3.1 Critical EPSS 2.0% · top 19.9% CWE-79 · Cross-site scripting
9.8CVSS 3.1 base score, v2 4.3
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Argument injection vulnerability involving Mozilla, when certain URIs are registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in an unspecified URI, which are inserted into the command line when invoking the handling process, a similar issue to CVE-2007-3670.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://larholm.com/2007/07/25/mozilla-protocol-abuse/
http://seclists.org/fulldisclosure/2007/Jul/0557.html
http://larholm.com/2007/07/25/mozilla-protocol-abuse/
http://seclists.org/fulldisclosure/2007/Jul/0557.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-4039), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.