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Status published
Medium
CVE-2023-2783
App Framework does not checks for the secret provided in the incoming webhook request
Vulnerability Description
Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Rohitesh Gupta
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost App Framework
Vulnerable Versions:
0, 7.10.0, 7.10.1, 7.8.5, 7.9.4
Timeline
Official Publish:
June 16th, 2023
Last Modified:
December 6th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N