CVE-2014-8638
MEDIUM · CVSS 6.8EPSS 1.0%EU EUVD
The navigator.sendBeacon implementation in Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 omits the CORS Origin header, which allows remote attackers to bypass intended CORS access-control checks and conduct cross-site request forgery (CSRF) attacks via a crafted web site.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-352
- EPSS score
- 1.0% (64th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-8475)
- Published
- January 14, 2015
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-8475 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox esr
- mozilla / seamonkey
- mozilla / thunderbird
References
- http://linux.oracle.com/errata/ELSA-2015-0046.html
- http://linux.oracle.com/errata/ELSA-2015-0047.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00071.html
- http://rhn.redhat.com/errata/RHSA-2015-0046.html
- http://rhn.redhat.com/errata/RHSA-2015-0047.html
- http://secunia.com/advisories/62237
- http://secunia.com/advisories/62242
- http://secunia.com/advisories/62250
- http://secunia.com/advisories/62253
- http://secunia.com/advisories/62259
- http://secunia.com/advisories/62273
- http://secunia.com/advisories/62274
- http://secunia.com/advisories/62283
- http://secunia.com/advisories/62293
- http://secunia.com/advisories/62304
- http://secunia.com/advisories/62313
- http://secunia.com/advisories/62315
- http://secunia.com/advisories/62316
- http://secunia.com/advisories/62418
- http://secunia.com/advisories/62446
- http://secunia.com/advisories/62657
- http://secunia.com/advisories/62790
- http://www.debian.org/security/2015/dsa-3127
- http://www.debian.org/security/2015/dsa-3132
- http://www.mozilla.org/security/announce/2014/mfsa2015-03.html(Vendor Advisory)
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.securityfocus.com/bid/72047
- http://www.securitytracker.com/id/1031533
- http://www.securitytracker.com/id/1031534
- http://www.ubuntu.com/usn/USN-2460-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1080987
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99958
- https://security.gentoo.org/glsa/201504-01
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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