Lack of URL normalization allows rendering previews for disallowed domains
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mattermost | Mattermost | unaffected |
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Configuration 1 [-]
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No data.
No data available yet.
Vendor Solution
Update Mattermost to version v7.1.9, v7.8.4, v7.9.3, v7.10, or higher.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-34261 | 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. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.408% probability within 30 days)
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates/ |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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