CVE-2008-7293
Mozilla Firefox before 4 cannot properly restrict modifications to cookies established in HTTPS...
Mozilla Firefox before 4 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.
Exploit likelihood
What each source reports
NVD Score used
Mozilla Firefox before 4 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.
- Record
CVE-2008-7293- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Mozilla Firefox before 4 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.
- Record
CVE-2008-7293- Updated
- 2026-11-02
EUVDEUVD-2008-7246 No score
Mozilla Firefox before 4 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.
- Record
EUVD-2008-7246- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-87wr-93m4-5rjf No score
Mozilla Firefox before 4 cannot properly restrict modifications to cookies established in HTTPS...
Mozilla Firefox before 4 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.
- Record
GHSA-87wr-93m4-5rjf- 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-2008-7293 is a medium vulnerability (CVSS 5.8) in Mozilla Firefox, published August 9, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.74%, the 77th percentile. No source names a fixed version.
References
hacks.mozilla.org/2010/08/firefox-4-http-strict-transport-security-force-https
michael-coates.blogspot.com/2010/01/cookie-forcing-trust-your-cookies-no.html
code.google.com/p/browsersec/wiki/Part2
scarybeastsecurity.blogspot.com/2011/02/some-less-obvious-benefits-of-hsts.html
bugzilla.mozilla.org/show_bug.cgi?id=660053
nvd.nist.gov/vuln/detail/CVE-2008-7293
github.com/advisories/GHSA-87wr-93m4-5rjf