CVE-2025-51684

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "CleverTap Web SDK v1.15.1 es vulnerable a Cross Site Scripting (XSS). La aplicaci\u00f3n no sanitiza los datos no confiables recibidos a trav\u00e9s de window.postMessage antes de inyectarlos en el DOM de la p\u00e1gina. Un atacante puede elaborar un mensaje malicioso que, al ser procesado por renderCustomHtml, resulta en la ejecuci\u00f3n de JavaScript arbitrario en el contexto del sitio de alojamiento."}], "id": "CVE-2025-51684", "lastModified": "2026-10-13T09:10:00.323", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-51684", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-31T19:10:03.010312Z", "version": "2.0.3"}}]}, "published": "2026-07-30T20:16:51.793", "references": [{"source": "cve@mitre.org", "url": "https://github.com/CleverTap/clevertap-web-sdk/issues/416"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/CleverTap/clevertap-web-sdk/issues/416"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.1"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "web_sdk", "vendor": "clevertap"}], "created": "2026-07-30T21:45:07.264415+00:00", "title": "Unvalidated window.postMessage Leads to XSS in CleverTap Web SDK", "updated": "2026-08-02T07:45:03.683356+00:00", "vendors": ["clevertap", "clevertap$PRODUCT$web_sdk"], "weaknesses": ["CWE-79"]}