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Fencer Vulns
medium 4.3

CVE-2009-2350 json

Microsoft Internet Explorer 6.0.2900.2180 and earlier does not block javascript: URIs in Refresh headers in HTTP responses, which allows re…

published 2009-07-07 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2346

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.4%
EPSS 14.4% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Microsoft Internet Explorer 6.0.2900.2180 and earlier does not block javascript: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Refresh header or (2) specifying the content of a Refresh header, a related issue to CVE-2009-1312.

Timeline

  1. First public exploit (EDB-33063)
  2. Published

Exploit prediction

14.38% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-33063 Microsoft Internet Explorer 6 - 'JavaScript:' URI in 'Refresh' Header Cross-Site Scripting remote, 2009-06-03
  • websecurity.com.ua http://websecurity.com.ua/3275/ referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/35570 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.