CVE-2021-23959

An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar. Note: This issue only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 85.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mozillaCNA
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mozillafirefox
𝑥
< 85
CNA
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
bionic
not-affected
focal
not-affected
groovy
not-affected
trusty
dne
xenial
not-affected
mozjs38
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
mozjs52
bionic
not-affected
focal
not-affected
groovy
not-affected
trusty
dne
xenial
dne
mozjs60
bionic
dne
focal
dne
groovy
dne
trusty
dne
xenial
dne
mozjs68
bionic
dne
focal
not-affected
groovy
not-affected
trusty
dne
xenial
dne
mozjs78
bionic
dne
focal
dne
groovy
not-affected
trusty
dne
xenial
dne
thunderbird
bionic
not-affected
focal
not-affected
groovy
not-affected
trusty
dne
xenial
not-affected