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CVE-2021-39203

Date: September 9, 2021

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.

Severity Score

Related Resources (5)

https://hackerone.com/reports/1225282
https://nvd.nist.gov/vuln/detail/CVE-2021-39203
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxm9-qvg6
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39203
https://www.mend.io/vulnerability-database/CVE-2021-39203

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Incorrect Authorization

CWE-863

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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