{"cve":"CVE-2003-0838","nvd":{"published":"2003-11-17T05:00:00.000","modified":"2026-06-16T22:03:03.250","status":"Modified","description":"Internet Explorer allows remote attackers to bypass zone restrictions to inject and execute arbitrary programs by creating a popup window and inserting ActiveX object code with a \"data\" tag pointing to the malicious code, which Internet Explorer treats as HTML or Javascript, but later executes as an HTA application, a different vulnerability than CVE-2003-0532, and as exploited using the QHosts Trojan horse (aka Trojan.Qhosts, QHosts-1, VBS.QHOSTS, or aolfix.exe).","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/009639.html","http://marc.info/?l=bugtraq&m=106304733121753&w=2","http://marc.info/?l=bugtraq&m=106304876523459&w=2","http://marc.info/?l=ntbugtraq&m=106302799428500&w=2","http://securityresponse.symantec.com/avcenter/venc/data/trojan.qhosts.html"],"products":["microsoft:ie","microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T19:35:54.859949650+00:00"},"epss":{"cve":"CVE-2003-0838","score":0.37556,"percentile":0.98535,"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."]}