Vulnerability Description
In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 5.3.1 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rThird Party Advisory
- https://hackerone.com/reports/731301Permissions RequiredThird Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing ListThird Party Advisory
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-releRelease NotesThird Party Advisory
- https://wpvulndb.com/vulnerabilities/9976Third Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rThird Party Advisory
- https://hackerone.com/reports/731301Permissions RequiredThird Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing ListThird Party Advisory
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-releRelease NotesThird Party Advisory
- https://wpvulndb.com/vulnerabilities/9976Third Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
FAQ
What is CVE-2019-16781?
CVE-2019-16781 is a vulnerability with a CVSS score of 5.8 (MEDIUM). In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin...
How severe is CVE-2019-16781?
CVE-2019-16781 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-16781?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Debian Debian Linux.