CVE-2021-23959
Published: 26 February 2021
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.
Notes
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
avital | Android only |
Priority
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(Android only)
|
focal |
Not vulnerable
(Android only)
|
|
groovy |
Not vulnerable
(Android only)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(debian: Only affects Firefox for Android)
|
|
xenial |
Not vulnerable
(Android only)
|
|
mozjs38 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(Android only)
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(Android only)
|
|
xenial |
Does not exist
|
|
mozjs52 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(Android only)
|
focal |
Not vulnerable
(Android only)
|
|
groovy |
Not vulnerable
(Android only)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(Android only)
|
|
xenial |
Does not exist
|
|
mozjs60 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(Android only)
|
|
xenial |
Does not exist
|
|
mozjs68 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Not vulnerable
(Android only)
|
|
groovy |
Not vulnerable
(Android only)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(Android only)
|
|
xenial |
Does not exist
|
|
mozjs78 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
groovy |
Not vulnerable
(Android only)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(Android only)
|
|
xenial |
Does not exist
|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(Android only)
|
focal |
Not vulnerable
(Android only)
|
|
groovy |
Not vulnerable
(Android only)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(Android only)
|
|
xenial |
Not vulnerable
(Android only)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.1 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Changed |
Confidentiality | Low |
Integrity impact | Low |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |