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CVE-2023-1777

Good to know:

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Date: March 31, 2023

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

Language: Go

Severity Score

Related Resources (5)

https://mattermost.com/security-updates/
github.com/mattermost/mattermost-server
https://nvd.nist.gov/vuln/detail/CVE-2023-1777
https://mattermost.com/security-updates
https://www.mend.io/vulnerability-database/CVE-2023-1777

Severity Score

Weakness Type (CWE)

Exposure of Resource to Wrong Sphere

CWE-668

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Top Fix

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Upgrade Version

Upgrade to version github.com/mattermost/mattermost-server/v6 - v6.0.0-20230301145909-10be118d99a5;github.com/mattermost/mattermost-server - v7.8.1;github.com/mattermost/mattermost-server - v7.7.2;github.com/mattermost/mattermost-server - v7.1.6

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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

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