En resumen
- CVE-2026-26862 es una vulnerabilidad ALTO (CVSS 8.3) que afecta a clevertap web sdk (clevertap), clevertap-web-sdk.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.42%, mayor que el 36.8% de las vulnerabilidades.
- Solución: actualizar a 1.15.3 o posterior.
Description
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.
NVD description
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
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