{"cve":"CVE-2013-1670","nvd":{"published":"2013-05-16T11:45:30.777","modified":"2026-06-16T23:51:52.650","status":"Modified","description":"The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 does not prevent acquisition of chrome privileges during calls to content level constructors, which allows remote attackers to bypass certain read-only restrictions and conduct cross-site scripting (XSS) attacks via a crafted web site.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79","CWE-264"],"references":["http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html","http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html","http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html","http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html","http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html"],"products":["mozilla:firefox","mozilla:thunderbird","mozilla:thunderbird_esr"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-1670","score":0.12002,"percentile":0.9613,"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."]}