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CVE-2026-26861

🗓️ 28 Feb 2026 01:54:49Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 4 Views

CVE-2026-26861: CleverTap Web SDK 1.15.2 and earlier are susceptible to XSS via window.postMessage.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-26861
27 Feb 202600:00
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Circl
CVE-2026-26861
27 Feb 202621:37
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CNNVD
CleverTap Web SDK 安全漏洞
27 Feb 202600:00
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27 Feb 202600:00
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Cvelist
CVE-2026-26861
27 Feb 202600:00
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EUVD
EUVD-2026-9038
27 Feb 202618:31
euvd
Github Security Blog
CleverTap Web SDK is vulnerable to DOM-based XSS via handleCustomHtmlPreviewPostMessageEvent function
27 Feb 202618:31
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NVD
CVE-2026-26861
27 Feb 202618:16
nvd
OSV
GHSA-J5MF-6RH3-RHGG CleverTap Web SDK is vulnerable to DOM-based XSS via handleCustomHtmlPreviewPostMessageEvent function
27 Feb 202618:31
osv
Positive Technologies
PT-2026-22366
27 Feb 202600:00
ptsecurity
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28 Feb 2026 01:54Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.3
EPSS0.00181
SSVC
4