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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
WordPress WordPress
< 5.3.1 to < 5.3.1affected
References
- https://wpvulndb.com/vulnerabilities/9976 ↗
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/ ↗
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v ↗
- https://hackerone.com/reports/731301 ↗
- https://seclists.org/bugtraq/2020/Jan/8 ↗
- https://www.debian.org/security/2020/dsa-4599 ↗
- https://www.debian.org/security/2020/dsa-4677 ↗