GHSA-4ghx-8jw8-p76q
Mattermost Open Redirect vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.1.0, < 9.1.1 | 9.1.1 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.0.0, < 9.0.2 | 9.0.2 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.1.4 | 8.1.4 |
| Go | github.com/mattermost/mattermost-server/v6 | < 7.8.13 | 7.8.13 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=
References
External links from the advisory. They lead to third-party sites.