Opera cannot properly restrict modifications to cookies established in HTTPS sessions…
Priority LOW 28CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
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.
Why it matters now
EPSS 0.01005 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-7297
- 2026-10-03 Alias added: GHSA-f536-p4rp-c3q8
References
Other 4
- http://michael-coates.blogspot.com/2010/01/cookie-forcing-trust-your-cookies-no.html
- http://code.google.com/p/browsersec/wiki/Part2#Same-origin_policy_for_cookies
- http://scarybeastsecurity.blogspot.com/2011/02/some-less-obvious-benefits-of-hsts.html
- http://scarybeastsecurity.blogspot.com/2008/11/cookie-forcing.html
More Opera Browser vulnerabilities
- TI-2015-03381 The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server… CVSS 3.1LOW 3.7
- TI-2010-01304 Integer overflow in Opera 10.10 through 10.50 allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2011-02999 The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft… CVSS 2.0MEDIUM 4.3
- TI-2011-02290 Opera before 11.11 does not properly implement FRAMESET elements, which allows remote… CVSS 2.0HIGH 10.0
- TI-2007-05262 Unspecified vulnerability in Adobe Flash Player 9.0.47.0 and earlier, when running on… CVSS 2.0HIGH 10.0
- TI-2007-00121 Heap-based buffer overflow in Opera 9.02 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 9.3
Sources
- CVE-2008-7297 · CVE Program
- CVE-2008-7297 · NVD
- FIRST EPSS
- GHSA-f536-p4rp-c3q8 · GitHub Advisory Database · CC BY 4.0
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