← Vulnerability feed

Vulnerability record · CVE-2014-8638 · published 14 January 2015

CVE-2014-8638: Mozilla firefox cross-site request forgery vulnerability

Mozilla · Firefox

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.

6.8 CVSS 2.0 Medium EPSS 1.0% · top 38.0% CWE-352 · Cross-site request forgery
6.8CVSS 2.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
78References
17 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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
http://linux.oracle.com/errata/ELSA-2015-0046.html

Track CVE-2014-8638 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2019-11708Mozilla Firefox and Thunderbird sandbox escape via Prompt:Open IPC validation flawThe Prompt:Open IPC message between child and parent processes does not sufficiently vet its parameters, letting a compromised child process cause th…KEVEPSS 56%analysed9.8CVE-2024-9680Mozilla Firefox and Thunderbird use-after-free in Animation timelinesA use-after-free flaw in Animation timelines allows an attacker to execute code in the content process of Firefox and Thunderbird. Mozilla reports ex…KEVEPSS 23%analysed9.8CVE-2010-3765Mozilla Firefox, Thunderbird and SeaMonkey memory corruption via appendChildA memory corruption flaw in Mozilla Firefox, Thunderbird and SeaMonkey arises from incorrect index tracking in nsCSSFrameConstructor::ContentAppended…KEVEPSS 83%analysed9.6CVE-2022-26486Firefox WebGPU IPC use-after-free enables sandbox escapeAn unexpected message in the WebGPU IPC framework triggers a use-after-free in Mozilla Firefox, Firefox ESR, Firefox for Android, Thunderbird and Foc…KEVEPSS 2.3%analysed8.8CVE-2023-5217libvpx VP8 encoding heap buffer overflow exploited via crafted HTMLA heap buffer overflow in the VP8 encoder in libvpx affects Google Chrome before 117.0.5938.132 and libvpx 1.13.1, and is reachable through a crafted…KEVEPSS 49%analysed8.8CVE-2023-4863libwebp Heap Buffer Overflow via Crafted WebP ImageA heap buffer overflow in libwebp allows an out-of-bounds memory write when processing a crafted WebP image. It affects Google Chrome before 116.0.58…KEVEPSS 100%analysed8.8CVE-2022-26485Firefox XSLT parameter removal use-after-freeRemoving an XSLT parameter during processing in Mozilla Firefox could trigger a use-after-free condition. Mozilla reported attacks in the wild abusin…KEVEPSS 14%analysed8.8CVE-2019-17026Firefox and Thunderbird IonMonkey JIT type confusionIncorrect alias information in the IonMonkey JIT compiler when setting array elements can cause a type confusion in Firefox, Firefox ESR and Thunderb…KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2014-8638), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.