{"id":"CVE-2003-1561","aliases":["EUVD-2003-1551","GHSA-jvhx-j333-37r2"],"status":"published","title":"Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:...","description":"Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00968,"percentile":0.62021,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:04:39Z","products":[{"vendor":"opera","product":"opera"}],"references":[{"url":"http://securityreason.com/securityalert/4004","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/348574","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-1561"},{"url":"https://github.com/advisories/GHSA-jvhx-j333-37r2"}],"sources":{"cve":[{"id":"CVE-2003-1561","description":"Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.","status":"published","published":"2008-07-14T23:00:00Z","modified":"2024-08-08T02:35:16.955Z","updated_at":"2026-11-02T14:20:16.411288Z"}],"euvd":[{"id":"EUVD-2003-1551","description":"Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.","status":"published","published":"2008-07-14T23:00:00Z","modified":"2024-08-08T02:35:16Z","updated_at":"2026-11-03T01:15:02.977959Z"}],"ghsa":[{"id":"GHSA-jvhx-j333-37r2","title":"Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:...","description":"Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.","status":"published","published":"2022-04-29T01:28:16Z","modified":"2023-01-30T05:02:14Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:46:35.666418Z"}],"nvd":[{"id":"CVE-2003-1561","description":"Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.","status":"published","published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:04:39.6Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:00:48.212104Z"}]}}