CVE-2021-29953

A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
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
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
VendorProductVersion
mozillafirefox
𝑥
< 88.0.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
hirsute
not-affected
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
mozjs38
hirsute
dne
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
mozjs52
hirsute
dne
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
dne
trusty
dne
mozjs68
hirsute
dne
groovy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
mozjs78
hirsute
not-affected
groovy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
thunderbird
hirsute
not-affected
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne