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OpenAdvisories
High · 7.3 CVE-2023-1776 BIT-mattermost-2023-1776EUVD-2023-0891GHSA-63f2-6959-2pxj

Stored XSS via SVG attachment on Boards

Published Mar 31, 2023 · Updated Dec 6, 2024 · Assigned by Mattermost

Description

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

Affected products

VendorProductAffectedFixed
Mattermost Mattermost 3.3.0 – ≤ 7.7.1, 3.3.0 – ≤ 7.1.5, 3.3.0 – < 7.8.0 7.8.0

Affected packages

Advisories 1

References