CVE-2021-39203 — MEDIUM (6.8)

Vulnerability Description

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions authenticated users who don't have permission to view private post types/data can bypass restrictions in the block editor under certain conditions. This affected WordPress 5.8 beta during the testing period. It's fixed in the final 5.8 release.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Wordpress	Wordpress	5.8

Related Weaknesses (CWE)

CWE-200

References

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxmThird Party Advisory
https://hackerone.com/reports/1225282Permissions Required
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxmThird Party Advisory
https://hackerone.com/reports/1225282Permissions Required

FAQ

What is CVE-2021-39203?

CVE-2021-39203 is a vulnerability with a CVSS score of 6.8 (MEDIUM). WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions authenticated users who don't have permission to view pri...

How severe is CVE-2021-39203?

CVE-2021-39203 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39203?

Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress.