CVE-2019-20041
Published: 27 December 2019
wp_kses_bad_protocol in wp-includes/kses.php in WordPress before 5.3.1 mishandles the HTML5 colon named entity, allowing attackers to bypass input sanitization, as demonstrated by the javascript: substring.
Priority
Status
Package | Release | Status |
---|---|---|
wordpress Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Not vulnerable
(5.3.2+dfsg1-1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.3.2+dfsg1-1)
|
|
hirsute |
Not vulnerable
(5.3.2+dfsg1-1)
|
|
xenial |
Needs triage
|
|
kinetic |
Not vulnerable
(5.3.2+dfsg1-1)
|
|
lunar |
Not vulnerable
(5.3.2+dfsg1-1)
|
|
groovy |
Not vulnerable
(5.3.2+dfsg1-1)
|
|
impish |
Not vulnerable
(5.3.2+dfsg1-1)
|
|
jammy |
Not vulnerable
(5.3.2+dfsg1-1)
|
|
mantic |
Not vulnerable
(5.3.2+dfsg1-1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |