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Vulnerability record · CVE-2008-1545 · published 28 March 2008

CVE-2008-1545: Microsoft internet explorer improper input validation vulnerability

Microsoft · Internet Explorer

The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 7 does not restrict the dangerous Transfer-Encoding HTTP request header, which allows remote attackers to conduct HTTP request splitting and HTTP request smuggling attacks via a POST containing a "Transfer-Encoding: chunked" header and a request body with an incorrect chunk size.

4.3 CVSS 2.0 Medium EPSS 12% · top 4.0% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 7 does not restrict the dangerous Transfer-Encoding HTTP request header, which allows remote attackers to conduct HTTP request splitting and HTTP request smuggling attacks via a POST containing a "Transfer-Encoding: chunked" header and a request body with an incorrect chunk size.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

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

References

LinkTags
http://secunia.com/advisories/29453 Vendor Advisory
http://securityreason.com/securityalert/3786
http://www.mindedsecurity.com/MSA01240108.html Exploit
http://www.securityfocus.com/archive/1/489960/100/0/threaded
http://www.vupen.com/english/advisories/2008/0980
https://exchange.xforce.ibmcloud.com/vulnerabilities/42804
http://secunia.com/advisories/29453 Vendor Advisory
http://securityreason.com/securityalert/3786
http://www.mindedsecurity.com/MSA01240108.html Exploit
http://www.securityfocus.com/archive/1/489960/100/0/threaded
http://www.vupen.com/english/advisories/2008/0980
https://exchange.xforce.ibmcloud.com/vulnerabilities/42804

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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-2008-1545), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.