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CVE-2026-66636

🗓️ 18 Aug 2026 13:59:42Reported by PatchstackType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Contributor XSS in Wise Chat plugin <=3.4 allows malicious script injection via chat messages.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-66636
18 Aug 202613:59
attackerkb
cvelist
Cvelist
CVE-2026-66636 WordPress Wise Chat plugin <= 3.4 - Cross Site Scripting (XSS) vulnerability
18 Aug 202613:59
cvelist
euvd
EUVD
EUVD-2026-60921
18 Aug 202613:59
euvd
nvd
NVD
CVE-2026-66636
18 Aug 202615:16
nvd
ptsecurity
Positive Technologies
PT-2026-77064
18 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-66636 WordPress Wise Chat plugin <= 3.4 - Cross Site Scripting (XSS) vulnerability
18 Aug 202613:59
vulnrichment
Vulners
Node
marcinwise_chatRange3.4wordpress
[
  {
    "vendor": "Marcin",
    "collectionURL": "https://wordpress.org/plugins",
    "defaultStatus": "unaffected",
    "packageName": "wise-chat",
    "product": "Wise Chat",
    "versions": [
      {
        "lessThanOrEqual": "3.4",
        "status": "affected",
        "version": "n/a",
        "versionType": "custom"
      }
    ]
  }
]

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18 Aug 2026 15:16Current
5Medium risk
Vulners AI Score5
CVSS 3.16.5
SSVC
7