CVE-2026-26861

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to Cross-Site Scripting (XSS) via window.postMessage. The handleCustomHtmlPreviewPostMessag...

Description d'origine

La description telle que publiée par la source (souvent en anglais).

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 by an attacker using a subdomain

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Références

advisory github.com
advisory nvd.nist.gov
patch github.com
report github.com
web github.com