CVE-2021-39203

MEDIUM

WordPress 5.8 beta - Authenticated Exposure of Sensitive Information via Block Editor

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Permissions Required x_refsource_misc
https://hackerone.com/reports/1225282

Scores

CVSS v3 6.8
EPSS 0.0123
EPSS Percentile 79.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-200
Status published
Products (1)
wordpress/wordpress 5.8 beta1
Published Sep 09, 2021
Tracked Since Feb 18, 2026