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Vulnerability record · CVE-2014-1487 · published 6 February 2014

CVE-2014-1487: Mozilla firefox origin validation error vulnerability

Mozilla · Firefox

The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to bypass the Same Origin Policy and obtain sensitive authentication information via vectors involving error messages.

7.5 CVSS 3.1 High EPSS 2.3% · top 17.0% CWE-346 · Origin validation error
7.5CVSS 3.1 base score, v2 5.0
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
66References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to bypass the Same Origin Policy and obtain sensitive authentication information via vectors involving error messages.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

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

References

LinkTags
http://download.novell.com/Download?buildid=VYQsgaFpQ2k Broken Link
http://download.novell.com/Download?buildid=Y2fux-JW1Qc Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html Mailing ListThird Party Advisory
http://osvdb.org/102873 Broken Link
http://rhn.redhat.com/errata/RHSA-2014-0132.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0133.html Third Party Advisory
http://secunia.com/advisories/56706 Broken Link
http://secunia.com/advisories/56761 Broken Link
http://secunia.com/advisories/56763 Broken Link
http://secunia.com/advisories/56767 Broken Link
http://secunia.com/advisories/56787 Broken Link
http://secunia.com/advisories/56858 Broken Link
http://secunia.com/advisories/56888 Broken Link
http://secunia.com/advisories/56922 Broken Link
http://www.debian.org/security/2014/dsa-2858 Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-09.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory
http://www.securityfocus.com/bid/65330 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029717 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029720 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029721 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2102-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1 Third Party Advisory
https://8pecxstudios.com/?page_id=44080 Broken LinkURL Repurposed
https://bugzilla.mozilla.org/show_bug.cgi?id=947592 ExploitIssue TrackingVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90889 Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201504-01 Third Party Advisory
http://download.novell.com/Download?buildid=VYQsgaFpQ2k Broken Link
http://download.novell.com/Download?buildid=Y2fux-JW1Qc Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2014-1487), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.