Every CVE Search/ Get API key

CVE-2003-0593

Opera allows remote attackers to bypass intended cookie access restrictions on a web application...

7.5 High

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 application.

Exploit likelihood

2.95%Up 1.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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 application.

Record
CVE-2003-0593
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-22
Updated
2026-11-02
CVE List No score

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 application.

Record
CVE-2003-0593
Updated
2026-11-02
EUVDEUVD-2003-0587 No score

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 application.

Record
EUVD-2003-0587
Updated
2026-11-03
GitHub AdvisoriesGHSA-53rf-2cq9-qrrj No score

Opera allows remote attackers to bypass intended cookie access restrictions on a web application...

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 application.

Record
GHSA-53rf-2cq9-qrrj
Weakness
CWE-22
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0593 is a high vulnerability (CVSS 7.5) in Opera Browser, published March 16, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.95%, the 87th percentile. No source names a fixed version.

References

MoveEnter Open