Vulnerability Report

CVE-2008-7297

Title: Opera Opera Browser

Other

Proof Of Concept

No public PoC currently indexed for CVE-2008-7297.

CWE Category CWE-264

Published Date Aug 09, 2011

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 5.8 CVSS v2.0

Exploit Probability (EPSS)

0.44%

Vulnerability Summary

CVE-2008-7297: Opera cannot properly restrict modifications to cookies established in HTTPS sessions, which allows man-in-the-middle attackers to overwrite or delete arbitrary cookies via a Set-Cookie header in an HTTP response, related to lack of the HTTP Strict Transport Security (HSTS) includeSubDomains feature, aka a "cookie forcing" issue.

Impacted Vendors

opera 1

Reference Links

http://code.google.com/p/browsersec/wiki/Part2#Same-origin_policy_for_cookies http://michael-coates.blogspot.com/2010/01/cookie-forcing-trust-your-cookies-no.html http://scarybeastsecurity.blogspot.com/2008/11/cookie-forcing.html http://scarybeastsecurity.blogspot.com/2011/02/some-less-obvious-benefits-of-hsts.html https://bugzilla.mozilla.org/show_bug.cgi?id=660053 http://code.google.com/p/browsersec/wiki/Part2#Same-origin_policy_for_cookies http://michael-coates.blogspot.com/2010/01/cookie-forcing-trust-your-cookies-no.html http://scarybeastsecurity.blogspot.com/2008/11/cookie-forcing.html http://scarybeastsecurity.blogspot.com/2011/02/some-less-obvious-benefits-of-hsts.html https://bugzilla.mozilla.org/show_bug.cgi?id=660053

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2008-7297 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

August 09, 2011 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:N/I:P/A:P

Affected Stack

No specific products linked.