{"cve":"CVE-2005-0456","nvd":{"published":"2005-01-12T05:00:00.000","modified":"2026-06-16T22:11:08.597","status":"Modified","description":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://secunia.com/advisories/13818/","http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml","http://www.kb.cert.org/vuls/id/882926","http://www.novell.com/linux/security/advisories/2005_31_opera.html","http://www.opera.com/linux/changelogs/754u2/"],"products":["opera:opera_browser"],"source":"nvd","synced_at":"2026-10-19T19:38:22.000386253+00:00"},"epss":{"cve":"CVE-2005-0456","score":0.03403,"percentile":0.88856,"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."]}