CVE-2026-26861

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-Site Scripting XSS via window.postMessage. The handleCustomHtmlPreviewPostMessageEvent function in src/util/campaignRender/nativeDisplay.js performs insufficient origin validation using the includes method, which can be bypassed ...

GHSA-J5MF-6RH3-RHGG CleverTap Web SDK is vulnerable to DOM-based XSS via handleCustomHtmlPreviewPostMessageEvent function

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-site Scripting XSS via window.postMessage. The handleCustomHtmlPreviewPostMessageEvent function in src/util/campaignRender/nativeDisplay.js performs insufficient origin validation using the includes method, which can be bypassed ...

CleverTap Web SDK is vulnerable to DOM-based Cross-Site Scripting (XSS) via window.postMessage

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...

EUVD-2026-9038

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-Site Scripting XSS via window.postMessage. The handleCustomHtmlPreviewPostMessageEvent function in src/util/campaignRender/nativeDisplay.js performs insufficient origin validation using the includes method, which can be bypassed ...

EUVD-2026-9039

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...

CVE-2026-26861

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-Site Scripting XSS via window.postMessage. The handleCustomHtmlPreviewPostMessageEvent function in src/util/campaignRender/nativeDisplay.js performs insufficient origin validation using the includes method, which can be bypassed ...

CVE-2026-26861

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-Site Scripting XSS via window.postMessage. The handleCustomHtmlPreviewPostMessageEvent function in src/util/campaignRender/nativeDisplay.js performs insufficient origin validation using the includes method, which can be bypassed ...

CleverTap Web SDK 安全漏洞

The CleverTap Web SDK is an open-source developer toolkit developed by CleverTap. The CleverTap Web SDK versions 1.15.2 and earlier contain security vulnerabilities. These vulnerabilities stem from the insufficient source verification in the handleCustomHtmlPreviewPostMessageEvent function within...

CleverTap Web SDK 安全漏洞

The CleverTap Web SDK is an open-source developer toolkit developed by CleverTap. Versions of the CleverTap Web SDK prior to 1.15.2 contain security vulnerabilities. These vulnerabilities stem from the source validation in the Visual Builder module, where the includes method is used to check...

PT-2026-22366

Name of the Vulnerable Software and Affected Versions CleverTap Web SDK versions 1.15.2 and earlier Description The CleverTap Web SDK is susceptible to a Cross-Site Scripting XSS issue through the window.postMessage functionality. The handleCustomHtmlPreviewPostMessageEvent function, located in...

PT-2026-22368

Name of the Vulnerable Software and Affected Versions CleverTap Web SDK versions 1.15.2 and earlier Description The CleverTap Web SDK is susceptible to a DOM-based Cross-Site Scripting XSS issue. This occurs due to insufficient origin validation within the Visual Builder module, specifically in t...

CVE-2026-26861

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-Site Scripting XSS via window.postMessage. The handleCustomHtmlPreviewPostMessageEvent function in src/util/campaignRender/nativeDisplay.js performs insufficient origin validation using the includes method, which can be bypassed ...

CVE-2026-26861

CVE-2026-26861 affects the CleverTap Web SDK up to version 1.15.2. The issue is an XSS vulnerability via window.postMessage triggered by the function handleCustomHtmlPreviewPostMessageEvent in src/util/campaignRender/nativeDisplay.js, which performs insufficient origin validation using the JavaSc...

CVE-2026-26861

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-Site Scripting XSS via window.postMessage. The handleCustomHtmlPreviewPostMessageEvent function in src/util/campaignRender/nativeDisplay.js performs insufficient origin validation using the includes method, which can be bypassed ...

CVE-2026-26862

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...