{"cve":"CVE-2013-6666","nvd":{"published":"2014-03-05T05:11:22.297","modified":"2026-06-17T00:00:46.237","status":"Modified","description":"The PepperFlashRendererHost::OnNavigate function in renderer/pepper/pepper_flash_renderer_host.cc in Google Chrome before 33.0.1750.146 does not verify that all headers are Cross-Origin Resource Sharing (CORS) simple headers before proceeding with a PPB_Flash.Navigate operation, which might allow remote attackers to bypass intended CORS restrictions via an inappropriate header.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://googlechromereleases.blogspot.com/2014/03/stable-channel-update.html","http://www.debian.org/security/2014/dsa-2883","http://www.securityfocus.com/bid/65930","https://code.google.com/p/chromium/issues/detail?id=332023","https://src.chromium.org/viewvc/chrome?revision=249114&view=revision"],"products":["google:chrome"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2013-6666","score":0.01194,"percentile":0.68051,"date":"2026-11-01"},"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."]}