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CVE-2022-31025

Date: June 3, 2022

Discourse is an open source platform for community discussion. Prior to version 2.8.4 on the "stable" branch and 2.9.0beta5 on the "beta" and "tests-passed" branches, inviting users on sites that use single sign-on could bypass the "must_approve_users" check and invites by staff are always approved automatically. The issue is patched in Discourse version 2.8.4 on the "stable" branch and version "2.9.0.beta5" on the "beta" and "tests-passed" branches. As a workaround, disable invites or increase "min_trust_level_to_allow_invite" to reduce the attack surface to more trusted users.

Language: Ruby

Severity Score

Severity Score

Weakness Type (CWE)

Improper Authorization

CWE-285

Incorrect Authorization

CWE-863

CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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