{"cve":"CVE-2009-4071","nvd":{"published":"2009-11-24T17:30:00.500","modified":"2026-06-16T23:12:58.540","status":"Modified","description":"Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-16"],"references":["http://osvdb.org/60527","http://secunia.com/advisories/37469","http://www.opera.com/docs/changelogs/mac/1010/","http://www.opera.com/docs/changelogs/unix/1010/","http://www.opera.com/docs/changelogs/windows/1010/"],"products":["opera:opera_browser"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-4071","score":0.02235,"percentile":0.82789,"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."]}