CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
mozillaCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
VendorProductVersion
mozillafirefox
𝑥
< 63.0
mozillafirefox_esr
𝑥
< 60.3
debiandebian_linux
8.0
debiandebian_linux
9.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
redhatenterprise_linux_desktop
6.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
6.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.6
redhatenterprise_linux_server_eus
7.6
redhatenterprise_linux_server_tus
7.6
redhatenterprise_linux_workstation
6.0
redhatenterprise_linux_workstation
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
firefox-esr
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
128.4.0esr-1~deb11u1
fixed
bookworm
115.14.0esr-1~deb12u1
fixed
bookworm (security)
128.4.0esr-1~deb12u1
fixed
trixie
128.3.1esr-2
fixed
sid
128.4.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
noble
Fixed 63.0+build1-0ubuntu1
released
mantic
Fixed 63.0+build1-0ubuntu1
released
lunar
Fixed 63.0+build1-0ubuntu1
released
kinetic
Fixed 63.0+build1-0ubuntu1
released
jammy
Fixed 63.0+build1-0ubuntu1
released
impish
Fixed 63.0+build1-0ubuntu1
released
hirsute
Fixed 63.0+build1-0ubuntu1
released
groovy
Fixed 63.0+build1-0ubuntu1
released
focal
Fixed 63.0+build1-0ubuntu1
released
eoan
Fixed 63.0+build1-0ubuntu1
released
disco
Fixed 63.0+build1-0ubuntu1
released
cosmic
Fixed 63.0+build2-0ubuntu0.18.10.2
released
bionic
Fixed 63.0+build2-0ubuntu0.18.04.2
released
xenial
Fixed 63.0+build2-0ubuntu0.16.04.2
released
trusty
Fixed 63.0+build2-0ubuntu0.14.04.2
released
firefox-esr
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
mozjs38
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
cosmic
dne
bionic
ignored
xenial
dne
trusty
dne
mozjs52
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
ignored
focal
ignored
eoan
ignored
disco
ignored
cosmic
ignored
bionic
ignored
xenial
dne
trusty
dne
mozjs60
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
ignored
disco
ignored
cosmic
ignored
bionic
dne
xenial
dne
trusty
dne