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CVE-2021-47855

🗓️ 21 Jan 2026 17:27:38Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 3 Views

Stored cross site scripting in OpenLiteSpeed 1.7.9 Notes field enables admin script execution.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-47855
21 Jan 202617:27
attackerkb
CNNVD
Litespeed Technologie OpenLiteSpeed Cross-Site Script Vulnerability
21 Jan 202600:00
cnnvd
Cvelist
CVE-2021-47855 Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting
21 Jan 202617:27
cvelist
EUVD
EUVD-2026-3632
21 Jan 202617:27
euvd
NVD
CVE-2021-47855
21 Jan 202618:16
nvd
Positive Technologies
PT-2026-3808
21 Jan 202600:00
ptsecurity
Vulnrichment
CVE-2021-47855 Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting
21 Jan 202617:27
vulnrichment
Vulners
CNA
[
  {
    "vendor": "LiteSpeed Technologies",
    "product": "OpenLiteSpeed",
    "versions": [
      {
        "version": "1.7.9",
        "status": "affected"
      }
    ]
  }
]

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15 Apr 2026 00:35Current
5.2Medium risk
Vulners AI Score5.2
CVSS 45.1
CVSS 3.17.2
EPSS0.00052
SSVC
3