Mozilla: sendBeacon requests lack an Origin header (MFSA 2015-03)
Published Jan 14, 2015
6.8
MEDIUMCVSS 2.0
EPSS 1.02%
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.
Affected products
No data.
Configuration 1
Configuration 2
- ≤ 31.3.0
No data.
Red Hat Enterprise Linux 5
firefox-0:31.4.0-1.el5_11
Fixed · RHSA-2015:0046
Red Hat Enterprise Linux 5
thunderbird-0:31.4.0-1.el5_11
Fixed · RHSA-2015:0047
Red Hat Enterprise Linux 6
firefox-0:31.4.0-1.el6_6
Fixed · RHSA-2015:0046
Red Hat Enterprise Linux 6
thunderbird-0:31.4.0-1.el6_6
Fixed · RHSA-2015:0047
Red Hat Enterprise Linux 7
firefox-0:31.4.0-1.el7_0
Fixed · RHSA-2015:0046
Red Hat Enterprise Linux 7
xulrunner-0:31.4.0-1.el7_0
Fixed · RHSA-2015:0046
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:31.4.0-1.el5_11 | Fixed | RHSA-2015:0046 |
| Red Hat Enterprise Linux 5 | thunderbird-0:31.4.0-1.el5_11 | Fixed | RHSA-2015:0047 |
| Red Hat Enterprise Linux 6 | firefox-0:31.4.0-1.el6_6 | Fixed | RHSA-2015:0046 |
| Red Hat Enterprise Linux 6 | thunderbird-0:31.4.0-1.el6_6 | Fixed | RHSA-2015:0047 |
| Red Hat Enterprise Linux 7 | firefox-0:31.4.0-1.el7_0 | Fixed | RHSA-2015:0046 |
| Red Hat Enterprise Linux 7 | xulrunner-0:31.4.0-1.el7_0 | Fixed | RHSA-2015:0046 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.02% (0.01020) | 62.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.02% (0.01020) | 58.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00181) | 37.63th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.64% (0.00643) | 79.94th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.68% (0.00675) | 79.22th | v3 (v2023.03.01) |
| May 20, 2023 | 0.68% (0.00675) | 76.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.81% (0.00815) | 79.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.93% (0.03932) | 85.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.93% (0.03932) | 84.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.93% (0.03932) | 67.70th | v2 (v2022.01.01) |
References (44)
- http://linux.oracle.com/errata/ELSA-2015-0046.html x_refsource_CONFIRM
- http://linux.oracle.com/errata/ELSA-2015-0047.html x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00071.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2015-0046.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0047.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/62237 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62242 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62250 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62253 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62259 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62273 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62274 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62283 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62293 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62304 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62313 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62315 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62316 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62418 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62446 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62657 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62790 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2015/dsa-3127 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2015/dsa-3132 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2014/mfsa2015-03.html x_refsource_CONFIRMVendor Advisory
- http://www.mozilla.org/security/announce/2015/mfsa2015-03.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/72047 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031533 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1031534 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2460-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-8638 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1080987 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1180966 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99958 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2014-8638
- https://security.gentoo.org/glsa/201504-01 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-8638
Change history (0)
No recorded changes yet.