{"cve":"CVE-2008-1544","nvd":{"published":"2008-03-28T23:44:00.000","modified":"2026-06-16T22:51:56.730","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://marc.info/?l=bugtraq&m=121380194923597&w=2","http://secunia.com/advisories/29453","http://securityreason.com/securityalert/3785","http://www.mindedsecurity.com/MSA02240108.html","http://www.securityfocus.com/archive/1/489954/100/0/threaded"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T19:51:11.071189229+00:00"},"epss":{"cve":"CVE-2008-1544","score":0.26317,"percentile":0.98004,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}