01 Record

CVE-2015-7215

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the

UnratedPUBLISHEDCNA: mozilla

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.52% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 84.5% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2015-12-16 11:00Z10 YR AGO

Last updated

2024-08-06 07:43Z2 YR AGO

Reserved

2015-09-16

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

4ba179984d29d4452cc5da8cd60d58d312ffd9e3e6650613733304d4e0bff7ce

05 Affected products

VendorProductVersionsPlatforms

fedoraprojectfedoraNot specified—

mozillafirefoxNot specified—

opensuseleapNot specified—

opensuseopensuseNot specified—

redhatenterprise_linuxNot specified—

06 References

bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1160890x_refsource_CONFIRM
security.gentoo.orgGLSA-201512-10https://security.gentoo.org/glsa/201512-10vendor-advisoryx_refsource_GENTOO
lists.opensuse.orgopenSUSE-SU-2015:2353http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.htmlvendor-advisoryx_refsource_SUSE
www.w3.orghttps://www.w3.org/Bugs/Public/show_bug.cgi?id=28961x_refsource_MISC
lists.opensuse.orgopenSUSE-SU-2016:0308http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.htmlvendor-advisoryx_refsource_SUSE
lists.fedoraproject.orgFEDORA-2015-7ab3d3afcfhttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.htmlvendor-advisoryx_refsource_FEDORA
github.comhttps://github.com/whatwg/html/issues/164x_refsource_MISC
www.mozilla.orghttp://www.mozilla.org/security/announce/2015/mfsa2015-140.htmlx_refsource_CONFIRM
www.ubuntu.comUSN-2833-1http://www.ubuntu.com/usn/USN-2833-1vendor-advisoryx_refsource_UBUNTU
www.securityfocus.com79280http://www.securityfocus.com/bid/79280vdb-entryx_refsource_BID
lists.opensuse.orgopenSUSE-SU-2016:0307http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.htmlvendor-advisoryx_refsource_SUSE
github.comhttps://github.com/whatwg/html/pull/166x_refsource_MISC
lists.fedoraproject.orgFEDORA-2015-51b1105902http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.htmlvendor-advisoryx_refsource_FEDORA
www.securitytracker.com1034426http://www.securitytracker.com/id/1034426vdb-entryx_refsource_SECTRACK

07 Fixed in

Ubuntu 14.04 LTS

firefox
Fixed in 43.0+build1-0ubuntu0.14.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.