CVE-2007-4038: mozilla firefox Improper Control of Generation of Code
Vulnerability summary
CVE-2007-4038 is a medium (CVSS 4.3) Improper Control of Generation of Code vulnerability in mozilla firefox. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 66% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 27-07-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Argument injection vulnerability in Mozilla Firefox before 2.0.0.5, when running on systems with Thunderbird 1.5 installed and certain URIs registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in a mailto URI, which are inserted into the command line that is created when invoking Thunderbird.exe, a similar issue to CVE-2007-3670.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.11%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.11% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Mozilla2 products
- firefox≤ 2.0.0.4
- thunderbird1.5
1 vendor · 2 products
References
4 links- larholm.com/2007/07/25/mozilla-protocol-abuse/X Refsource MISC