SCA: security update for clevertap-web-sdk (GHSA-jfrq-hj9f-c8qx)

high Tenable Self-Hosted Container Security Plugin ID 438131

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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
(CVE-2026-26862)

See Also

https://github.com/advisories/GHSA-jfrq-hj9f-c8qx

Plugin Details

Severity: High

ID: 438131

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 3/4/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

Percentile: 57.44

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 9.7

Temporal Score: 7.6

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:P

CVSS Score Source: CVE-2026-26862

CVSS v3

Risk Factor: High

Base Score: 8.3

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/27/2026

Vulnerability Publication Date: 2/27/2026

Reference Information

CVE: CVE-2026-26862

cwe: CWE-79