CVE-2026-26862
CVSS Score
8.3
EPSS Score
0.0%
EPSS Percentile
0th
CleverTap Web SDK version 1.15.2 and earlier is vulnerable to DOM-based Cross-Site Scripting (XSS) via window.postMessage in the Visual Builder module. The origin validation in src/modules/visualBuilder/pageBuilder.js (lines 56-60) uses the includes() method to verify the originUrl contains "dashboard.clevertap.com", which can be bypassed by an attacker using a crafted subdomain
| Vendor | n/a |
| Product | n/a |
| Published | Feb 27, 2026 |
| Last Updated | Feb 27, 2026 |
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Affected Versions
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