CVE-2023-2808
Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.
| Software | From | Fixed in |
|---|---|---|
| mattermost / mattermost | 7.2.0 | 7.8.4 |
| mattermost / mattermost | 5.34.0 | 7.1.9 |
| mattermost / mattermost | 7.9.0 | 7.9.3 |
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