{"id":"CVE-2008-1544","aliases":["EUVD-2008-1545","GHSA-63q6-hp4x-52r6"],"status":"published","title":"The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 5.01, 6,...","description":"The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 5.01, 6, and 7 does not block dangerous HTTP request headers when certain 8-bit character sequences are appended to a header name, which allows remote attackers to (1) conduct HTTP request splitting and HTTP request smuggling attacks via an incorrect Content-Length header, (2) access arbitrary virtual hosts via a modified Host header, (3) bypass referrer restrictions via an incorrect Referer header, and (4) bypass the same-origin policy and obtain sensitive information via a crafted request header.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.26317,"percentile":0.98015,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2008-03-28T23:00:00Z","modified":"2026-06-16T22:51:56Z","products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-031","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.mindedsecurity.com/MSA02240108.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/29453","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5291","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2008/1778","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1020226","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA08-162B.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq\u0026m=121380194923597\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://www.securityfocus.com/bid/28379","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/archive/1/489954/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2008/0980","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://securityreason.com/securityalert/3785","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-1544"},{"url":"https://github.com/advisories/GHSA-63q6-hp4x-52r6"}],"sources":{"cve":[{"id":"CVE-2008-1544","description":"The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 5.01, 6, and 7 does not block dangerous HTTP request headers when certain 8-bit character sequences are appended to a header name, which allows remote attackers to (1) conduct HTTP request splitting and HTTP request smuggling attacks via an incorrect Content-Length header, (2) access arbitrary virtual hosts via a modified Host header, (3) bypass referrer restrictions via an incorrect Referer header, and (4) bypass the same-origin policy and obtain sensitive information via a crafted request header.","status":"published","published":"2008-03-28T23:00:00Z","modified":"2024-08-07T08:24:42.677Z","updated_at":"2026-11-02T14:34:47.71012Z"}],"euvd":[{"id":"EUVD-2008-1545","description":"The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 5.01, 6, and 7 does not block dangerous HTTP request headers when certain 8-bit character sequences are appended to a header name, which allows remote attackers to (1) conduct HTTP request splitting and HTTP request smuggling attacks via an incorrect Content-Length header, (2) access arbitrary virtual hosts via a modified Host header, (3) bypass referrer restrictions via an incorrect Referer header, and (4) bypass the same-origin policy and obtain sensitive information via a crafted request header.","status":"published","published":"2008-03-28T23:00:00Z","modified":"2024-08-07T08:24:42Z","updated_at":"2026-11-03T01:39:01.162624Z"}],"ghsa":[{"id":"GHSA-63q6-hp4x-52r6","title":"The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 5.01, 6,...","description":"The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 5.01, 6, and 7 does not block dangerous HTTP request headers when certain 8-bit character sequences are appended to a header name, which allows remote attackers to (1) conduct HTTP request splitting and HTTP request smuggling attacks via an incorrect Content-Length header, (2) access arbitrary virtual hosts via a modified Host header, (3) bypass referrer restrictions via an incorrect Referer header, and (4) bypass the same-origin policy and obtain sensitive information via a crafted request header.","status":"published","published":"2022-05-01T23:41:11Z","modified":"2023-01-31T05:06:29Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:02.515371Z"}],"nvd":[{"id":"CVE-2008-1544","description":"The setRequestHeader method of the XMLHttpRequest object in Microsoft Internet Explorer 5.01, 6, and 7 does not block dangerous HTTP request headers when certain 8-bit character sequences are appended to a header name, which allows remote attackers to (1) conduct HTTP request splitting and HTTP request smuggling attacks via an incorrect Content-Length header, (2) access arbitrary virtual hosts via a modified Host header, (3) bypass referrer restrictions via an incorrect Referer header, and (4) bypass the same-origin policy and obtain sensitive information via a crafted request header.","status":"published","published":"2008-03-28T23:44:00Z","modified":"2026-06-16T22:51:56.73Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:25.857543Z"}]}}