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clevertap_web_sdk

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NVD

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2
Related CVEsRelated VendorsRelated AssignersReports
2Vulnerabilities found
CVE-2026-26861
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-8.3||HIGH
EPSS-0.02% / 3.50%
||
7 Day CHG~0.00%
Published-27 Feb, 2026 | 00:00
Updated-03 Mar, 2026 | 18:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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

Action-Not Available
Vendor-clevertapn/a
Product-clevertap_web_sdkn/a
CWE ID-CWE-346
Origin Validation Error
CVE-2026-26862
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-8.3||HIGH
EPSS-0.01% / 1.83%
||
7 Day CHG~0.00%
Published-27 Feb, 2026 | 00:00
Updated-03 Mar, 2026 | 18:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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

Action-Not Available
Vendor-clevertapn/a
Product-clevertap_web_sdkn/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE ID-CWE-829
Inclusion of Functionality from Untrusted Control Sphere