CVE-2025-51684

mediumCVSS 6.1covered by 1 sourcefirst seen 2026-07-30

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.

⚡ Watch CVE-2025-51684

Get an email if CVE-2025-51684 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Exploitation outlook

Low exploitation risk0.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2025-51684: CleverTap Web SDK v1.15.1 is vulnerable to Cross Site Scripting (XSS). The application does no…nvd · 2026-07-30

External references

NVD record for CVE-2025-51684

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2025-51684 status](https://www.csirts.com/badge/CVE-2025-51684)](https://www.csirts.com/cve/CVE-2025-51684)