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CVE-2014-8638

Published: Jan 14, 2015Updated: May 6, 2026 Sources: CVE List NVDCWE-352
6.8CVSSMEDIUM

Description

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.

CVSS Vector Breakdown

AV:NAC:MAu:NC:PI:PA:P
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:PAvailability
Partial

Weaknesses

Affected Products

mozillaoss-projectUSConsumer Softwareaka mozilla corp.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

and 36 more references View all →

Timeline

Published
Jan 14, 2015
Last Updated
May 6, 2026

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