cbcvebase.
CVE-2018-5135
published 2018-06-11

CVE-2018-5135: WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not…

PriorityP336high7.5CVSS 3.0
AVNACLPRNUINSUCNIHAN
EPSS
1.55%
72.0th percentile
WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.

Affected

8 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 59.0-1 (sid)firefox 59.0-1 (sid)
mozillafirefox< 59.059.0
mozillafirefox>= 0 < 59.0+build5-0ubuntu0.14.04.159.0+build5-0ubuntu0.14.04.1
mozillafirefox>= 0 < 59.0.2+build1-0ubuntu0.14.04.459.0.2+build1-0ubuntu0.14.04.4
mozillafirefox>= 0 < 59.0+build5-0ubuntu0.16.04.159.0+build5-0ubuntu0.16.04.1
mozillafirefox>= 0 < 59.0.2+build1-0ubuntu0.16.04.359.0.2+build1-0ubuntu0.16.04.3
mozillafirefox>= 0 < 59.0.1+build1-0ubuntu159.0.1+build1-0ubuntu1
mozillafirefox>= unspecified < 5959

CVSS provenance

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian7.5HIGH
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