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EUVD-2023-34261

🗓️ 03 Oct 2025 20:07:09Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

Mattermost does not normalize UTF confusable characters, enabling link previews from disallowed domains.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2023-2808
29 May 202314:36
circl
CNNVD
Mattermost 输入验证错误漏洞
29 May 202300:00
cnnvd
CVE
CVE-2023-2808
29 May 202309:07
cve
Cvelist
CVE-2023-2808 Lack of URL normalization allows rendering previews for disallowed domains
29 May 202309:07
cvelist
Tenable Nessus
Mattermost Server 5.34.x < 7.1.9 / 7.2.x < 7.8.4 / 7.9.x < 7.9.3 / 7.10.0 (MMSA-2023-00159)
13 Mar 202400:00
nessus
NVD
CVE-2023-2808
29 May 202310:15
nvd
Prion
Code injection
29 May 202310:15
prion
Positive Technologies
PT-2023-21539 · Unknown · Mattermost
29 May 202300:00
ptsecurity
RedhatCVE
CVE-2023-2808
23 May 202504:54
redhatcve
Veracode
Improper Input Validation
13 Jun 202307:17
veracode
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "ae44cd72-017f-387c-91a3-43e77ed3339e",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "5d41f9d2-d08e-3228-ba88-53a03752a890",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "0 <7.8.4"
      },
      {
        "id": "7c3028bf-4ed5-36ca-b92e-a76ea96509b5",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "0 <7.9.3"
      },
      {
        "id": "9281dcd5-b4f8-3656-9208-ee7dbe51466f",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "0 <7.1.9"
      }
    ]
  }
]

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03 Oct 2025 20:07Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.14.3 - 5.3
EPSS0.00408
SSVC
1