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Vulnerability DatabaseCVE-2021-39203
CVE-2021-39203:
NixOS vulnerability analysis and mitigation
Overview
A security vulnerability (CVE-2021-39203) was identified in WordPress 5.8 beta that allowed authenticated users to bypass restrictions in the block editor under certain conditions. The vulnerability was discovered and disclosed on September 9, 2021, affecting WordPress 5.8 beta 1 versions (GitHub Advisory).
Technical details
The vulnerability is classified as an authorization bypass issue (CWE-863) that could lead to private data disclosure and privilege escalation through the WordPress block editor. The issue was initially categorized under CWE-200 (Information Exposure) but was later refined to be more specifically identified as an authorization bypass vulnerability (NVD Report).
Impact
The vulnerability could allow authenticated users without proper permissions to access and view private post types and data that they should not have access to through the block editor (GitHub Advisory).
Mitigation and workarounds
The vulnerability was addressed and fixed in the final WordPress 5.8 release. Users who were running the beta version were advised to upgrade to the final 5.8 release to mitigate the vulnerability (GitHub Advisory).
Additional resources
Source: This report was generated using AI
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