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CVE-2026-21788

🗓️ 19 Mar 2026 08:44:21Reported by HCLType 
cve
 cve
🔗 web.nvd.nist.gov👁 2 Views

HCL Connections has a cross-site scripting vulnerability allowing attackers to run scripts and steal cookies to compromise accounts.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-21788
19 Mar 202608:44
attackerkb
Circl
CVE-2026-21788
19 Mar 202608:16
circl
CNNVD
HCL Connections 安全漏洞
19 Mar 202600:00
cnnvd
Cvelist
CVE-2026-21788 HCL Connections is vulnerable to cross-site scripting (XSS)
19 Mar 202608:44
cvelist
EUVD
EUVD-2026-13075
19 Mar 202609:30
euvd
NVD
CVE-2026-21788
19 Mar 202609:16
nvd
Positive Technologies
PT-2026-26279
19 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-21788
26 Mar 202615:12
redhatcve
Vulnrichment
CVE-2026-21788 HCL Connections is vulnerable to cross-site scripting (XSS)
19 Mar 202608:44
vulnrichment
NVD
Node
OR
hcltechconnectionsMatch8.0cumulative_release1
OR
hcltechconnectionsMatch8.0cumulative_release10
OR
hcltechconnectionsMatch8.0cumulative_release11
OR
hcltechconnectionsMatch8.0cumulative_release12
OR
hcltechconnectionsMatch8.0cumulative_release2
OR
hcltechconnectionsMatch8.0cumulative_release3
OR
hcltechconnectionsMatch8.0cumulative_release4
OR
hcltechconnectionsMatch8.0cumulative_release5
OR
hcltechconnectionsMatch8.0cumulative_release6
OR
hcltechconnectionsMatch8.0cumulative_release7
OR
hcltechconnectionsMatch8.0cumulative_release8
OR
hcltechconnectionsMatch8.0cumulative_release9
[
  {
    "vendor": "HCLSoftware",
    "product": "Connections",
    "versions": [
      {
        "status": "affected",
        "version": "8"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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19 Mar 2026 18:42Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
EPSS0.00052
SSVC
2