CVE-2023-2783

MEDIUM

Mattermost 7.8.0-7.8.3 and 7.10.0 - Missing Authorization in Apps Framework Webhook

Title source: llm

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.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 4.3

EPSS 0.0018

EPSS Percentile 38.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (3)

mattermost/mattermost 7.10.0

mattermost/mattermost 7.8.0 - 7.8.4

mattermost/mattermost-server 7.10.0 - 7.10.1Go

Published Jun 16, 2023

Tracked Since Feb 18, 2026