{"cve":"CVE-2007-6203","nvd":{"published":"2007-12-03T22:46:00.000","modified":"2026-06-16T22:47:35.973","status":"Modified","description":"Apache HTTP Server 2.0.x and 2.2.x does not sanitize the HTTP Method specifier header from an HTTP request when it is reflected back in a \"413 Request Entity Too Large\" error message, which might allow cross-site scripting (XSS) style attacks using web client components that can send arbitrary headers in requests, as demonstrated via an HTTP request containing an invalid Content-length value, a similar issue to CVE-2006-3918.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://docs.info.apple.com/article.html?artnum=307562","http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html","http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00004.html","http://marc.info/?l=bugtraq&m=125631037611762&w=2","http://marc.info/?l=bugtraq&m=129190899612998&w=2"],"products":["apache:http_server"],"source":"nvd","synced_at":"2026-10-19T19:49:50.107194424+00:00"},"epss":{"cve":"CVE-2007-6203","score":0.80749,"percentile":0.99627,"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."]}