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WS-2022-0118

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Date: April 20, 2022

Drupal 9.3 implemented a generic entity access API for entity revisions. However, this API was not completely integrated with existing permissions, resulting in some possible access bypass for users who have access to use revisions of content generally, but who do not have access to individual items of node and media content. Fixed in 9.3.12. This vulnerability only affects sites using Drupal's revision system

Language: PHP

Severity Score

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Top Fix

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Upgrade Version

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CVSS v3.1

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

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