5.3
CVE-2023-2808
- EPSS 0.17%
- Published 29.05.2023 10:15:10
- Last modified 21.11.2024 07:59:19
- Source responsibledisclosure@mattermo
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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.
Data is provided by the National Vulnerability Database (NVD)
Mattermost ≫ Mattermost Version >= 5.34.0 < 7.1.9
Mattermost ≫ Mattermost Version >= 7.2.0 < 7.8.4
Mattermost ≫ Mattermost Version >= 7.9.0 < 7.9.3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.17% | 0.392 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 5.3 | 3.9 | 1.4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
|
| responsibledisclosure@mattermost.com | 4.3 | 2.8 | 1.4 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
|
CWE-20 Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.