Mobile Security Framework (MobSF) Allows Stored Cross Site Scripting (XSS) via malicious SVG Icon Upload
Vulnerable MobSF Versions: <= v4.3.2
CVSS V4.0 Score: 8.6 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N)
Details: A Stored Cross-Site Scripting (XSS) vulnerability has been identified in MobSF versions ≤ 4.3.2. The vulnerability arises from improper sanitization of user-supplied SVG files during the Android APK analysis workflow.
When an Android Studio project contains a malicious SVG file as an app icon (e.g path, /app/src/main/res/mipmap-hdpi/ic_launcher.svg), and the project is zipped and uploaded to MobSF, the tool processes and extracts the contents without validating or sanitizing the SVG.
Upcon ZIP extraction this icon file is saved by MobSF to: user/.MobSF/downloads/<filename>.svg
This file becomes publicly accessible via the web interface at:
http://127.0.0.1:8081/download/filename.svg
If the SVG contains embedded JavaScript (e.g., an XSS payload), accessing this URL via a browser leads to the execution of the script in the context of the MobSF user session, resulting in stored XSS.
Proof Of Concept:
- Create a malicious SVG file (ic_launcher.svg) with an embedded XSS payload.
- Place the file in the Android Studio project directory: /app/src/main/res/mipmap-hdpi/ic_launcher.svg
- Zip the project directory and upload it to MobSF.
- After the scan, navigate to the "Recent Scans" page in the MobSF web interface and click on the scan entry and open the icon file in a new browser tab.
- The XSS payload is executed, confirming the vulnerability.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Python (PyPI) | mobsf | < 4.3.3 | 4.3.3 |
Referencias
- https://github.com/MobSF/Mobile-Security-Framework-MobSF/security/advisories/GHSA-mwfg-948f-2cc5
- https://nvd.nist.gov/vuln/detail/CVE-2025-46335
- https://github.com/MobSF/Mobile-Security-Framework-MobSF/commit/6987a946485a795f4fd38cebdb4860b368a1995d
- https://github.com/MobSF/Mobile-Security-Framework-MobSF
- https://pypi.org/project/mobsf
- https://github.com/advisories/GHSA-mwfg-948f-2cc5
- Vector CVSS
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N- Debilidad (CWE)
CWE-79- Plataforma
- Python (PyPI)
- Paquete
mobsf- Publicada
- 05.05.2025
- Actualizado
- 11.10.2026 13:19
Fuentes y licencias
OSV / GitHub Advisory Database - PYSEC-2026-1675 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-mwfg-948f-2cc5 - CC BY 4.0
Historial de vulnerabilidades: mobsf
Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 22
- Primera → última
- 10.2022 08.2026
- Sin corrección
- 1
- Explotada en ataques
- 0
Distribución por gravedad
- Alta 9
- Media 11
- Baja 2
Divulgaciones por año
- 2022: 1
- 2023: 1
- 2024: 6
- 2025: 8
- 2026: 6
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