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CVE-2025-51684

6.1 · MEDIUM

CleverTap Web SDK v1.15.1 is vulnerable to Cross Site Scripting (XSS).

Published Jul 30, 2026CWE-79EPSS 0.26%

Overview

CVE-2025-51684 is a medium-severity vulnerability. It was published on July 30, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

CleverTap Web SDK v1.15.1 is vulnerable to Cross Site Scripting (XSS). The application does not sanitize untrusted data received via window.postMessage before injecting it into the page DOM. An attacker can craft a malicious message that, when processed by renderCustomHtml, results in execution of arbitrary JavaScript in the context of the hosting site.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/CleverTap/clevertap-web-sdk/issues/416GitHubgithub.com/CleverTap/clevertap-web-sdk/issues/416

How CyberStrike helps

Frequently asked questions

What is CVE-2025-51684?

CVE-2025-51684 is a medium-severity vulnerability. It was published on July 30, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-51684?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-51684?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-51684?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-51684 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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