WordPress 5.8.1 was released to the public last night, September 8, 2021. The update addresses one security issue and resolves 60 issues. For more information, see the related note.

WordPress 5.8.1 was released to the public last night, September 8, 2021. The update addresses one security issue and resolves 60 issues. For more information, see the related note.

According to WordPress:
Dawaffe, a member of the WordPress Security Team, helped fix a security flaw in the REST API.
Securitum's Michał Bentkowski reported an XSS security vulnerability in his block editor.
Lodash library was updated to version 4.17.21 for upstream security fixes.
The WordPress security team would also like to thank the following for their assistance:
Evan Ricafort for reporting an XSS vulnerability to the block editor of version 5.8.
and Steve Henty for reporting a privilege escalation issue again to the block editor.
You can download the updated version from the official website , or upgrade your page from the admin panel Dashboard – Updates.