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EUVD-2026-62546

🗓️ 19 Aug 2026 15:52:49Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Stored XSS in HumHub 1.18.4 via comment-deletion reason field in notification flow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-18430
19 Aug 202615:52
cve
cvelist
Cvelist
CVE-2026-18430 HumHub 1.18.4 - Stored XSS in comment-deletion notifications through unescaped administrator reason
19 Aug 202615:52
cvelist
nvd
NVD
CVE-2026-18430
19 Aug 202616:17
nvd
ptsecurity
Positive Technologies
PT-2026-78489
19 Aug 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "042824aa-adcd-39b7-980f-dca5d480368d",
        "vendor": {
          "name": "humhub"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "838bd7e4-ab99-33ce-99bd-8f536e94b299",
        "product": {
          "name": "HumHub",
          "vendor": {
            "name": "humhub"
          }
        },
        "product_version": "1.18.4"
      }
    ]
  }
]

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19 Aug 2026 15:52Current
4.9Medium risk
Vulners AI Score4.9
CVSS 47.2
3