CVE-2017-5386

7.3 HIGH
Published: June 11, 2018 Modified: November 25, 2025
View on NVD

Description

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0190.html
Source: security@mozilla.org
Third Party Advisory
http://www.securityfocus.com/bid/95769
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037693
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1319070
Source: security@mozilla.org
Exploit Issue Tracking Patch Vendor Advisory
https://security.gentoo.org/glsa/201702-22
Source: security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2017/dsa-3771
Source: security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-01/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-02/
Source: security@mozilla.org
Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0190.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/95769
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037693
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1319070
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Vendor Advisory
https://security.gentoo.org/glsa/201702-22
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2017/dsa-3771
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-01/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-02/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.3 / 10.0
EPSS (Exploit Probability)
1.2%
78th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

mozilla debian redhat