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CVE-2003-1561 — MEDIUM severity vulnerability (Opera, probably before 7.50, sends Referer headers containin)

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.

CVE IDCVE-2003-1561
SeverityMEDIUM
CVSS score4.3
CVSS vectorAV:N/AC:M/Au:N/C:P/I:N/A:N
CWECWE-200, NVD-CWE-noinfo
StatusModified
Published2003-12-31
Last modified2026-04-16
DescriptionOpera, 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.
SourceNIST National Vulnerability Database

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