THREATPORT/VULNERABILITY/CVE-2003-1026
HIGH SEVERITY

CVE-2003-1026

Ie vulnerability

CVSS
9.3
EPSS
39.2%
EPSS pct
98th
Exploited
No known
Internet Explorer 5.01 through 6 SP1 allows remote attackers to bypass zone restrictions via a javascript protocol URL in a sub-frame, which is added to the history list and executed in the top window's zone when the history.back (back) function is called, as demonstrated by BackToFramedJpu, aka the "Travel Log Cross Domain Vulnerability."
Affected vendor
Microsoft
Affected product
Ie
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2004-01-20

Risk analysis

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

Its EPSS score of 39.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2003-1026

  • Confirm whether Microsoft Ie is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2003-1026.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-1026

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-1026 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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