CVE-2019-9787
Published: 14 March 2019
WordPress before 5.1.1 does not properly filter comment content, leading to Remote Code Execution by unauthenticated users in a default configuration. This occurs because CSRF protection is mishandled, and because Search Engine Optimization of A elements is performed incorrectly, leading to XSS. The XSS results in administrative access, which allows arbitrary changes to .php files. This is related to wp-admin/includes/ajax-actions.php and wp-includes/comment.php.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
wordpress Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| eoan |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| focal |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| groovy |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| hirsute |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| impish |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| jammy |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| kinetic |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| lunar |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| mantic |
Not vulnerable
(5.1.1+dfsg1-1)
|
|
| trusty |
Does not exist
(trusty was needs-triage)
|
|
| upstream |
Released
(5.1.1+dfsg1-1)
|
|
| xenial |
Needs triage
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
- https://blog.ripstech.com/2019/wordpress-csrf-to-rce/
- https://github.com/WordPress/WordPress/commit/0292de60ec78c5a44956765189403654fe4d080b
- https://wordpress.org/news/2019/03/wordpress-5-1-1-security-and-maintenance-release/
- https://wordpress.org/support/wordpress-version/version-5-1-1/
- https://www.cve.org/CVERecord?id=CVE-2019-9787
- NVD
- Launchpad
- Debian