CVE-2023-1776
High
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.
SeverityHigh
CVSS7.3
Exploit probability39. percentile0.4%
Product
Mattermost Server
PublishedMar 31, 2023
First seenMar 31, 2023
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- mattermost mattermost_server7.1.6 or later
- github.com/mattermost/mattermost-server/v67.1.6 or later
- github.com/mattermost/mattermost-server7.7.2, 7.1.6, 7.8.1 or later
- github.com/mattermost/mattermost-server/v57.1.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_server | v < 7.1.6, 7.7.1 | 7.1.6 |
| github.com/mattermost/mattermost-server/v6Go | 6.0.0 ≤ v < 7.1.6, 3.3.0 ≤ v < 7.1.6 | 7.1.6 |
| github.com/mattermost/mattermost-serverGo | 7.7.0 ≤ v < 7.7.2, 7.1.0 ≤ v < 7.1.6, 7.8.0 ≤ v < 7.8.1 | 7.7.2, 7.1.6, 7.8.1 |
| github.com/mattermost/mattermost-server/v5Go | 5.0.0 ≤ v < 7.1.6 | 7.1.6 |
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