Unrated severityNVD Advisory· Published Jul 30, 2026· Updated Jul 31, 2026
CVE-2025-51684
CVE-2025-51684
Description
CleverTap Web SDK v1.15.1 is vulnerable to Cross Site Scripting (XSS). The application does not sanitize untrusted data received via window.postMessage before injecting it into the page DOM. An attacker can craft a malicious message that, when processed by renderCustomHtml, results in execution of arbitrary JavaScript in the context of the hosting site.
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Affected products
2- Range: <1.15.1
Patches
Vulnerability mechanics
References
1News mentions
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