CVE-2026-26861

Katalog CVE

CVSS 8.3 · High EPSS 0,22%

Kerentanan Origin Validation Error pada clevertap web sdk. Skor CVSS 3.1 8.3 (High) menurut CISA ADP.

Deskripsi (NVD)

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

Rincian

Terbit di NVD

27 Februari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

8.3 (High), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-346: Origin Validation Error

EPSS (30 hari)

0,22% peluang dieksploitasi; lebih tinggi dari 12,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/CleverTap/clevertap-web-sdk/issues/424 exploit · issue tracking · advisory vendor
• https://github.com/CleverTap/clevertap-web-sdk/pull/417 patch
• https://github.com/CleverTap/clevertap-web-sdk/blob/cf1b65d/src/util/campaignRender/nativeDisplay.js#L118-L121 product