CVE-2003-0593
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.
Exploit likelihood
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 High
AV: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
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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.