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CVE-2003-0593 — HIGH severity vulnerability (Opera allows remote attackers to bypass intended cookie acce)

Opera allows remote attackers to bypass intended cookie access restrictions on a web application via "%2e%2e" (encoded dot dot) directory traversal sequences in a URL, which causes Opera to send the cookie outside the specified URL subsets, e.g. to a vulnerable application that runs on the same server as the target app

CVE IDCVE-2003-0593
SeverityHIGH
CVSS score7.5
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
CWECWE-22
StatusModified
Published2004-04-15
Last modified2026-04-16
DescriptionOpera allows remote attackers to bypass intended cookie access restrictions on a web application via "%2e%2e" (encoded dot dot) directory traversal sequences in a URL, which causes Opera to send the cookie outside the specified URL subsets, e.g. to a vulnerable application that runs on the same server as the target application.
SourceNIST National Vulnerability Database

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