THREATPORT/VULNERABILITY/CVE-2007-3954
MEDIUM SEVERITY

CVE-2007-3954

Internet Explorer vulnerability

CVSS
4.3
EPSS
6.7%
EPSS pct
93th
Exploited
No known
Argument injection vulnerability in Microsoft Internet Explorer, when running on systems with SeaMonkey 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 SeaMonkey.exe, a related issue to CVE-2007-3670.
Affected vendor
Microsoft
Affected product
Internet Explorer
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness type (CWE)
  • CWE-79 — Cross-Site Scripting (XSS)
Published
2007-07-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to integrity.

Its EPSS score of 6.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2007-3954

  • Confirm whether Microsoft Internet Explorer is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-3954.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-3954

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-3954 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2007-3954?

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