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Security Advisories: GSA_kwCzR0hTQS1wNXByLXZtM2otanh4Zs4AA3Xm

Mattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability

Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled.

Permalink: https://github.com/advisories/GHSA-p5pr-vm3j-jxxf
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1wNXByLXZtM2otanh4Zs4AA3Xm
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 1 year ago
Updated: about 1 year ago

CVSS Score: 4.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Percentage: 0.00053
EPSS Percentile: 0.23513

Identifiers: GHSA-p5pr-vm3j-jxxf, CVE-2023-45223
References:

Blast Radius: 9.6

Affected Packages

go:github.com/mattermost/mattermost-server/v6

Dependent packages: 111
Dependent repositories: 168
Downloads:
Affected Version Ranges: < 7.8.13
Fixed in: 7.8.13
All affected versions: 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.3.0, 6.3.1, 6.3.2, 6.3.3, 6.3.4, 6.3.5, 6.3.6, 6.3.7, 6.3.8, 6.3.9, 6.3.10, 6.4.0, 6.4.1, 6.4.2, 6.4.3, 6.5.0, 6.5.1, 6.5.2, 6.6.0, 6.6.1, 6.6.2, 6.7.0, 6.7.1, 6.7.2
All unaffected versions:

go:github.com/mattermost/mattermost/server/v8

Dependent packages: 2
Dependent repositories: 1
Downloads:
Affected Version Ranges: < 8.1.4
Fixed in: 8.1.4
All affected versions:
All unaffected versions: