The WordPress plugin, WP Database Reset through 3.1, contains a flaw that allowed any unauthenticated user to reset any table in the database to the initial WordPress set-up state (deleting all site content stored in that table), as demonstrated by a wp-admin/admin-post.php?db-reset-tables[]=comments URI.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-7048
• https://wordpress.org/plugins/wordpress-database-reset/#developers
• https://wpvulndb.com/vulnerabilities/10027
• https://www.wordfence.com/blog/2020/01/easily-exploitable-vulnerabilities-patched-in-wp-database-reset-plugin/